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2005 Acura RL 1 2005 Acura RL : Model Overview

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1. Side impact door beams Impact absorbing crumple zones Front Rear Child proof rear door locks Theft deterrent system with electronic immobilizer Keyless Access System with driver recognition for diver s seat steering wheel outside mirrors climate control audio system setting and presets and select navigation system settings Tire Pressure Monitoring System TPMS with location and pressure indicators Daytime Running Lights DRL 2005 Acura RL 45 LED mirror integrated directional signals taillights brake lights side marker light and Centre High Mount Stop Light CHMSL Emergency trunk opener Fog Lights Auto on off headlights Heated outside mirrors with driver recognition reverse geartiltdown and integrated signals Illuminated front door handle recesses Headlight washers Rear window defroster with timer Heat rejecting green tinted glass Speed sensing variable intermittent windshield wipers Printed radio antenna rear glass INTERIOR Galvanized body panels SEATI NG and TRIM Perforated leather timed Ventilated Seats with Heating and Cooling Rear centre folding armrest with locking trunk passthrough Leather wrapped steering wheel and gearshift knob Driver s 8 way power seat with power adjustable lumbar support and driver recognition Front passenger s 4 way power seat with power adjustable lumbar support
2. 1 15t 2 697 zna 1 573 3m 1 071 4th 0 694 5 th 0 481 Reverse 1 889 Final Secondary 1 238 Final Drive 4 600 Steel and aluminum unit body Front Suspension Independent double wishbone with coil gorings and stabilizer bar Rear Suspension Independent multi link with coil springs and stabilizer bar Shock Absorbers Nitrogen filled telescopic gas pressurized with Progressive Valve technology front and rear Stabilizer Bars Front 29 mm diameter Rear 17 mm diameter Shock tower bar 32 mm x 22mm diameter 2 3 mm wall thickness Steering Type Electronically controlled speed sensing power assisted rack and pinion Steering Ratio 16 2 1 Steering Wheel Turns lock to lock 2 98 Turning Circle curb to curb 12 1 m Wheels 17 x 8 0 aluminum alloy Tires P245 50R17 98V Michelin high performance allseason Braking System Power assisted 4 wheel disc brakes with ABS Front Discs Ventilated 320 mm diameter Rear Discs Ventilated 310 mm diameter 2005 Acura RL 49 Anti Lock Braking System ABS 4 wheel speed sensors and electric hydraulic control Vehicle Stability Assist VSA system Throttle control and 4 channel brake control utilizing yaw lateral g speed and steering sensors CAPACITIES City Highway Crankcase 5 0 L Total Cooling System 8 6 L Total Fuel tank 73 3 L Volumes 2806 litres 15
3. LH SEARCH COIL SENSOR ig RRL ROTATION SENSOR TORQUE INDICATOR MULT INFORMATION DISPLAY STEERING ANGLE SENSOR DBW THROTTLE BODY FR LH ROTATION SENSOR SAND SYSTEM The rear drive unit of the RL unlike the MDX contains three planetary gear and clutch sets Torque from the propeller shaft passes through the first clutch planetary gearset which is as a unit called the Acceleration device Output torque from the Acceleration device is carried a short distace rearward to a hypoid gear that turns the output 90 degrees and drives the rear axle shafts A matched pair of Direct Electromagnetic Clutch systems one on each side send power to each rear wheel These clutch systems can be controlled as a pair to ater the front rear torque split depending on the situation the rear wheels receive between 30 and 7Qpercent of the total engine output The right and left Direct Electromagnetic Clutch systems can also be controlled independently to allow up to 100 percent of the total rear axle torque to go to only one side of the vehicle 2005 Acura RL 39 Acceleration Device Positioned at the front of the RL rear drive unit the Acceleration device typically passes torque rearward to the rear axle at very close to a oneto one ratio In cornering however the Acceleration device s output shaft spins faster than its input shaft The Acceleration assembly uses a compact planetary gearset to achieve its speed increase Hydraulic
4. better fuel atomization 2005 Acura RL 34 is provided by high efficiency mult hole fuel injectors these deliver fuel to each cylinder and direct fuel around the intake valve stems U S DATA Current CARB Emission Standards gram mi US Standard scale in NMOG co NOx Vehicle miles TLEV 100k 0 156 4 200 0 600 LEV I LEV 100k 0 090 4 200 0 300 04 3 5 RL LEV I ULEV 100k 0 055 2 100 0 300 LEV 2 LEV 120k 0 090 4 200 0 070 LEV 2 ULEV 120k 0 055 2 100 0 070 05 RL LEV 2 SULEV 150k 0 010 1 000 0 020 ZEV 0 0 0 0 0 0 California Air Resources Board U S DATA 04 05 RL Emissions Comparison gram mi Vehicle US Standard NMOG co NOx Mileage Standard mi 04 3 5 RL 0 090 4 200 0 300 100 000 LEV I LEV 05 RL 0 055 2 100 0 070 120 000 LEV 2 ULEV 05 RL improvement over 39 50 77 20 04 3 5 RL NMOG Non Methane Organic Gas NOISE VIBRATION AND HARSHNESS NVH CONTROL With its 60 degree V angle and compact rigid and lightwaght die cast aluminunralloy block assembly the new RL powerplant is exceptionally smooth Other factors that reduce noise and vibration are a rigid forged crankshaft diecast accessory mounts and a stiff cast aluminum alloy oil pan 160 000 km TUNE UP INTERVALS The RL requires no scheduled maintenance until 160 000 kilometres other than periodic inspections and normal fluid and filter
5. 4 wheel disc brakes with ABS and larger 1Zinch aluminum alloy wheels and tires set new standards for RL dynamic performance Interior The interior of the 2005 Acura RLis fully equipped with comfort and convenience There are new perforated leather upholstered seats with ventilation These exclusive to Canada seats both heat and cool to make the interior environment more comfortable Both the driver and passenger can choose up to three heating and three cooling settings individually Other interior features include a GPS linked solarsensing dual zone dual mode automatic climate 2005 Acura RL 4 control system and an Acura Bose DVD A system with 500 times the clarity of a typical CD system and MP3 capability Premium features continue with a new Active Noise Cancellation system ANC that neutralizes low frequency booming sounds in the interior and HandsFreeLink a Bilingual hands free phone interface that is compatible with manyBluetooth phones for a seamless cellular communication experience in the car or away from it Other technologies include a Multi information display a Tire Pressure Monitoring System TPMS with location and pressure indicators and a maintenance reminde Safety With the RL Acura embraces active as well as passive safety as essential and equal goals Active safety features that help a driver avoid an accident include SHAWD Vehicle Stability Assist VSA with traction control and 4wheel ventilated disc br
6. DISC CD DVD AUDIO AND DTS CHANGER AND AM FM TUNER Like the TL the RL comes standard with a DVDAudio entertainment system that is engineered to advance the state of the art in production car audio The more sophisticated system of the RL substantially outperformed the critically acclaimed TL system in internal testing PREMIUM AUDIO BOSE SOUND SYSTEM 36mm TWEETER E FULL RANGE 17cm FULL RANGE 8ch DIGITAL AMP DSP l al i I mt CoH 23cm WOOFER ces y Ih TWIDDLER AN pi F aE ie 60mm x ft et a 36mm TWEETER n 17cm FULL RANGE 17cm FULL RANGE HANDS FREE TELEPHONE SYSTEM SWITCH PREMAIM AUNO SYSTEM 2005 Acura RL 25 Engineered specifically for the RL this 10 speaker 8 channel AM FM system delivers surround sound to all seating The RL has a 6 disc in dash changer that can play DVD Audio CD MP3 and WMA media DVD Audio is the next step in audio reproduction technology Many new releases are being issued in this new format and many older recordings are being remastered and reissued to take advantage of the superior sound that DVD Audio offers With over 500 times higher resolution than CD audio DVD Audio delivers smoother fuller and far more accurate sound The system will n play DVD movies DVD Video or DVD R RW To improve sound quality when playing CDs the system includes Centre Point logic which creates surround sound from the two channels of CD data Another feature Aud
7. and control of SH AWD is integrated with the RL Engine Electronic Control Unit ECU and Vehicle Stability Assist ECU The Engine ECU provides engine rpm intake manifold pressure and transmission gear ratio data The VSA ECU provides data on lateral g yaw rate wheel rotation speed and steering angle The SH AWD ECU monitors the status of the acceleration device and the right and left Direct Electromagnetic Clutch torque Traction is calculated based on the information from the engine ECU Then the acceleration situation lateral g and steering angle are used to set the torque split between the right and left rear wheels At the same time this data is usedto set the acceleration device SH AWD System Layout SH AWD is a full time altwheel drive system that requires no driver nteraction for operation A torque transfer unit is bolted directly to the frontmounted transaxle Attached to the front wheel differential s ring gear is a helical gear that provides input torque to the transfer unit A short horizontal shaft and a hypod gear set within the case turn thepropeller shaft ninety degrees and move it to the vehicle centre line A lightweight carbon fibre reinforced composite propeller shaft carries power to the rear drive unit SH AWD SYSTEM FRIRH ROTATION SENSOR YAW RATE LATERAL G SENSOR RRIRH ROTATION SENSOR gt OIL TEMP SENSOR VSA SH AWD ECU ECU a RH SEARCH COIL SENSOR Z E ROTATION SENSOR eC tq F REAR ORIVE UNIT
8. controls Audio system controls are on the upper left spoke while cruise control buttons are on the right upper spoke The lower left spoke is reserved for navigation system controls inclding a push to talk button to activate the voice recognition system which provides voice control of the navigation system as well as many climate control and audio system features Also on the left between the spokes are controls for HandsFreeLink while on the right between the spokes are controls for the Mult information display Tucked out of view but within fingertip reach is a pair of paddles that upshift and downshift the Sequential SportShift transmission when it is in manual mode INTERFACE DIAL Most of the commonly used electronic functions have dedicated controls positioned on the instrument panel or on the steering wheel Voice control of navigation climate control audio and communications functions is likewise available while the Iterface Dial knob positioned just ahead of the console mounted shift lever provides another avenue of control The Interface Dial is rotated and rocked like a joystick to select among function menus displayed on the navigation screen A push of the controler selects the highlighted item Functions controlled by the Interface Dial include o Audio o Navigation o Climate Control System VENTILATED SEATS WITH HEATING AND COOLING Given the performance capabilities and luxury mission of the RL its passenger seating
9. disc CD DVD Audio and DTS changer and AM FM tuner o Active Noise Cancellation ANC system o Interface Dial provides quick intuitive access to navigation audio climate control and other features o Keyless Access System eliminates fumbling for keys or keyless remote o Power moonroof with tilt aito open close auto reverse and key off STYLING AND MATERIALS The quality of materials fit and finish have received close attention in the new RL Rich curly maple wood sweeps across the instrument panel The large bright navigation system display is positioned up high in the centre of the instrument panel within easy line of sight of the driver and passenger Below the navigation system screen the satin metal finish of the climate audio and navigation controls Interior materials are the finest inAcura history including the glovesoft hand selected leather used on the seating surfaces The hides are tanned with an innovative process that helps the leather retain its soft supple feel and resilient strength far longer than conventional automobile interior leather Oils in conventional leather tend to slowly evaporate especially when the car is parked in the sun causing leather to prematurely age and dry out over time or form deposits on the rear window and windshield glass when the interior cools eventually causing persistent and hard to remove fogging The leather used in the RL is treated to resist this phenomenon and this treatm
10. is ona hill if this is the case the shift schedule is adjusted to automatically hold the transmission in a lower gear for better climbing power or increased downhill engine braking Manual Mode The Sequential SportShift transmission can ke shifted into manual mode by moving the console mounted selector lever laterally to a special gate to the left of the Drive position The RL offers two ways to change gears when in manual mode either by a push or pull of the shift lever or by using tre paddle shifters mounted on the steering wheel A digital display in the tachometer face indicates which gear the transmission is in To heighten control and driver involvement special shift logic in manual mode delivers quicker firmer shifts than in fly automatic mode To help protect the engine and drivetrain from damage an array of preventative features are active when the transmission is in manual mode If the driver doesn t command an upshift in time the transmission will upshift from first tosecond automatically In second third and fourth the logic changes and the transmission ECU cuts off fuel flow to the engine if there is a possibility of overrevving In the rare situation where the fuel cutoff alone is unable to prevent engine oveirevving as could happen on a steep downhill the transmission will upshift itself to prevent engine damage And finally when downshifting the transmission won t execute a drivercommanded 2005 Acura RL 36 downsh
11. is over 12 degrees Vehicle speed is 8 km h 5 mph or higher lefthand turns only Right hand headlight will swivel even if vehicle is stopped Swivel cancels when speed drops to 5 km h 3 mph lef hand turns only oo0o0o 0 2005 Acura RL 10 AFS SYSTEM CURRENT ars Yona N m N AFS has i y l a y CURRENT S t ON a k N i i Xenon High intensity Discharge HID headlights Traditional headlight bulbs illuminate a tungsten filament inside a sealed bulb containing halogen gas Xenon HID low beam bulbs however use a high voltage current that passes between two electrodes to create a plasma arc This accounts for their brightness and daylight like illumination They are also superior to tungsten halogen bulbs in lumens or lighting power The Xenon HID bulbs on the RL provide a lighting pattern that is both longer and wider than that of the 2004 3 5 RL In addition the tungsten halogen high beams provide a wider illumination spread than before The low beams on the 2005 RL have a brightness of 825 lumens compared to 692 lumens for the previous generation RL For the driver these advances mean even better illumination for enhanced confidence and safety The RL Xenon HID lowbeam headlight bulbs have a projected life span of 1 500 hours compared to 1 000 hours for a normal bulb LED Lighting The RL also features advanc
12. key competitors with alwheel drive Compared to other vehicles in the RL competitive set including the Audi A6 BMW 5Series Jaguar S Type Lexus GS 300 and Mercedes Benz E Class the RL is the only vehicle with a standard AWD system and the only one to offer SHAWD The RL is also longer and wider with significantly wider front and rear track than its competitors In the chart below boldface type highlights 2005 Acura RL packaging advantages 2005 Acura RL 6 2005 Acura 2004 Audi 2004 BMW 2005 2004 Lexus 2005 RL A6 3 0 530i with Jaguar S GS 300 Mercedes Quattro A T Type 3 0 Sedan Benz E320 Litre Drive system SH AWD FWD RWD RWD RWD RWD AWD system Std NA NA NA NA Opt Length mm 4917 4877 4841 4902 4806 4818 Width mm 1844 1811 1847 1819 1801 1811 Height mm 1450 1453 1473 1422 1420 1453 Wheelbase 2799 2761 2888 2908 2799 2855 mm Track 1575 1539 1569 1557 1534 1534 1560 Front Rear 1585 1582 1542 1509 1552 mm Curb weight 1815 1760 1580 1711 1655 1674 kg Weight 58 42 61 39 50 50 NA 53 47 51 49 distribution F R BODY STRUCTURE Light Weight Producing a lightweight and rigid unit body was essential to meet engineering goals for the new RL as a premium luxury sport sedan This is because light weight improves every aspect of dynamic performance and fuel economy and a rigid structureimproves ride and handling Specific RL strategies that were employed
13. platecoefficient of friction which 2005 Acura RL 40 changes with heat and then adjusts voltage sent to the electromagnetic coil that controls the clutch to compensate To ensure that the amount of torque transmitted remains optimized as miles and wear accumulate a coil provides a feedback loop that the ECU uses to adjust voltage to the electromagnetic clutches to compensate for potential clutch wear 2005 Acura RL Safety SAFETY The RL is equipped with a comprehensive array of the latest technologies to enhance active safety accident avoidance and passive safety crash safety performance Features such as Vehicle Stability Assist VSA with traction control heightened handling agility SEAWD and ABS enhance accident avoidance capability in the RL Should a collisionprove unavoidable the Advanced Compatibility Engineering ACE body structure of the RL is designed to provide a protective cocoon for passengers in the event of a collision with a different sized vehicle a truck or SUV for example Inside sideair bags side curtain air bags and duakstage front air bags work together with sophisticated restraint systems to minimize injury to passengers in sufficient impacts Following are the key passive safety features on the new RL Passenger Seating o 3 point adjustable height seat belts with load limiters and front pretensioners o 3 point Automatic Locking Retractor Emergency Locking Retractor ALR ELR seat belt with p
14. required extensive engineering development The RL features perforated leather trimmed ventilated seats with heating and cooling that allows both front passengers to either heat or cool their seats The centre consolemounted switches offer three heating and three cooling positions Three blower motors within the seat push conditioned air through the special ducks under the leather seating surface The result is even cooling of the seat and seat back cushions In hot summer temperatures RL s ventilated seats rapidly reduce seat surface humidity In internal testing the RL and competitor s seats were brought up to a temperate of 80 degrees C and 65 humidity At the maximum cooling setting RL s seats dropped to a 20 humidity level within 15 minuteson the front lower cushion This achievement is best in class when compared to the Lexus LS430 at 40 humidity and even the Phaeton at 50 during the same time interval 2005 Acura RL 21 The driver s seat is 8 way power adjustable and includes a power adjustable lumbar support mechanism The smooth shape of the articulated lumbar mechanism matches the human spinal curvature to provide solid support for the torso and pelvis All driver s seat power adjustments except power adjustable lumbar support are included in the Keyless Access System which stores a pair of user profiles one for each of the two fobs that come with the RL The front passenger seat is 4 way power adjustable with lumba
15. the MDX TL and NSX A single Aramidfibre reinforced belt drives the overhead camshafts The RL cylinder heads have 36mm diameter intake valves and 3 mm diameter exhaust valves As a point of reference the MDX has 35mm intake and 30 mm exhaust valves VTEC VARIABLE TIMING AND LIFT ELECTRONIC CONTROL Acura VTEC is a new addition to the RL and is a major contributor to the engine s large gains in horsepower and torque The system operates the 12 intake valves in two distinct modes so that the operation of the intake valves changes to optimize both volumetric efficiency and combustion of the fuetair mixture At low engine speeds the intake valves have low lift and are open a comparatively short period of time during cylinder filling At high engine speeds where breathing is critical the valves switch to highlift long duration mode to deliver the best volumetric efficiency The VTEC changeover point is undetectable to the driver and occurs at 4950 rpm The RL uses a 3 rocker VTEC system similar to that of the MDX and TL This configuration allows each of a given cylinder s intake valves to be controlled by its own lowspeed cam lobe allowing for staggered valve opening and lift By comparison with 2rocker VTEC a single low speed cam lobe controls both intake valves for each cylinder Better mixing in the cylinders improves both combustion speed and combustion stability When the engine reaches 4950 rpm the powertrain control mod
16. the application of innovative tehnology The new RL is dramatically quieter than the 2004 3 5 RL in terms of high frequency and middle frequency noise attenuation Acura s internal testing also shows that it is significantly quieter than the Audi A6 and Mercedes Benz E320 Road noise attenuation is also significantly improved over both smooth and rough roads As part of the mission to control weight in the new RL Acura used lightweight materials wherever possible in the sound absorbing package including lightweight sound insulators instead of traditional heavier materials h addition the RL represents Acura s first use of an Active Noise Cancellation ANC system See Interior section for more information NV TECHNOLOGY 1 ACTIVE NOISE CONTROL SYSTEM BOSE AMPUPIRE UNIT ANC CONTROL UNIT ANC MICROPHONE AUDIO HEAD UNIT ENGINE MOUNTING SYSEM a we HYDRO TRANSMISSION MOUNT ECM REAR MOUNT ECM FRONT MOUNT HYDRO SIDE MOUNT REAR SUBFRAME FLOATING SYSTEM FLOOR UNDER COVER FRONT SUBFRAME FLOATING SYSTEM NY TECHNOLOGY ENGINE UNDER COVER Main RL NVH countermeasures Drivetrain o Engine mounting system including a hydraulic lower transmission mount o Variable volume mufflers o Hood insulator 2005 Acura RL 12 o Engine cover and undercover Body o Acoustic roof lining o Acoustic front and rear inner fender insulator with highfrequency damping materials NV TECHNOLOGY 2 LIGHTWEIGHT amp EFFICIENT ACOUST
17. the body is constructed wth Grade 60 steel The overall result is that bending and twisting rigidity for the unit body is superior to that of the 2004 3 5 RL The 2005 RL also has enhanced crashworthiness with no additional weight penalty Aluminum Components The lightweight aluminum hood front fenders and trunk are formed with an innovative process called blow forming to achieve complex and pleasing shapes with a high level of quality low cost and light weight First the raw aluminum panels are placed in a heated mold and warmed to 500 degrees Then they are forced into the mold with a highpressure gas The result is perfectly formed complex shapes that are not possible with traditional stamping methods rigidity the trunk lid is composed of an inner structural pael and an outer body panel This 2 piece aluminum structure is crimped together with aself piercing rivet that that makes the lid highly durable Door Construction Safety in side collisions along with the pursuit of a quality doorclosing sound drove engineers to design all new door structures Beams were applied to improve for side impact safety in both the front and rear doors 2005 Acura RL 8 There is no mistaking the quality sound that a weHengineered door makes as it is closed By positioning the door s centre of gravity the height at which its weight is centreed at the same height as the latch audible vibration and thus the closing sound can be improved For im
18. the key Take thebuilt in key from the keyless remote and keep it then give thekeyless remote to the attendant The Valet will be unable to unlock the glove box or trunk using thekeyless remote only 2005 Acura RL Powertrain OVERVIEW The RL powertrain is a complete departure from its predecessor the 3 5 RL Though both vehicles feature 3 5 litre V 6 engines the new RL benefits from VTEC a 5speed automatic with Sequential SportShift paddle shifters and Grade Logic Control in place of a 4 A in the 3 5 RL and Super Handling AllWheel Drive that replaces the front drive in the 3 5 RL There are hundreds of other differences both minor and major but one of the most significant is that like other Acura vehicles the crankshaft of the RL isnow positioned transversely side to side instead of longitudinally front to rear as was the case in the 3 5 RL This change allows the RL to be packaged for better handling agility without sacrificing interior comfort 2005 Acura RL 29 BMS VTEC ENGINE CUTAWAY The 60 degree aluminum alloy 3 5 litre V 6 of the RL features architecture that s related to the powerplant in the 2004 MDX Few parts are shared between the two engines however comprehensive changes give the RL powerplant an entirely different character than that of the MDX This new engine is lightweight and compact Compared to the previous 9Gdegree V 6 in the 3 5 RL the overall width measuring across the V is 36 mm less and
19. the length measuring along the crankshaft is 61 mm shorter The advanced VTEC engine delivers 300 horsepower and 260 lb ft of torque significantly more than the previous generation 3 5 RL 225 horsepower and 231 Ib ft Horsepower has increased by 33 percent and torque has risen by 12 percent Despite this substantial performance upgrade fuel economy is similar to that of the previous generation 3 5 RL In terms of emissions performance the RL is designed to meet the U S CARB LEV2 ULEV requirements With horsepower similar to many competitive V8 engines the high output V 6 in the RL is lightweight for better acceleration and for more nimble handling To put the power to the ground with a high level of efficiency smoothness and driver control the RL comes standard with a 5 speed automatic with Sequential SportShift and paddle shifters b allow finger tip manual operation To maximize available traction and to provide exceptional handling balance and responsiveness the RL comes standard with Super Handling AlkWheel Drive SH AAWD the first and only alktwheel drive system that distributes the optimum amount of torque not only between the front and rear wheels but also between the left and right rear wheels The system s Direct Yaw Control makes the cornering character of the RL neutral under power 2005 Acura RL 30 Powertrain Comparison 2005 2004 2004 2004 2004 2004 2004 Acura RL Acura Audi A6 BMW BMW Lex
20. time cause significant air loss lossof grip and potentially a blowout A sensor mounted on each wheel continually monitors tire pressure and sends a coded signal to an initiator located inboard of the tire on the chassis The information is then sent to an electronic control unit that compares the values of each tire against an acceptable set of values When a tire s pressure drops significantly below the proper specification a CHECK TIRE PRESSURE alert appears on the MID alert screen The system can display the air pressure in all four tires simultaneously via the MID making it simple to locate a low tire If there is a fault in the system a CHECK TPMS SYSTEM alert appears At the driver s preference the display can continually show the air pressure in all four tires Regardless of whether the driver chooses to monitor the pressures a warning will still occur if a tire drops below specification 2005 Acura RL Interior OVERVIEW The RL interior is designed to integrate elegant luxury with efficient design At the same time the interior makes the most advanced technology ever built into an Acura easy to use and intuitive to operate Careful integration of the many advanced systems ensures that they add to the driver s comfort control and understanding of the driving situation and not detract from it The finest interior materials and exacting attention to detail and finish highlight the quiet interior Stylish and perfo
21. to reduce body mass include o Aluminum hood fenders and trunk lid o Aluminum front and rear subframes suspension arms and bumper beams o Magnesium cylinder head covers and seat frames o Carbon fibre reinforced composite drive shaft Structural Solidity The 2005 Acura RL was also designed with the goal of creating the world s safest automobile body It was engineered to comply with the latest US FMVSSoccupant crash protection standard and FMVSS301 fuel system integrity standard One of the most difficulttest modes to achieve is the side collision that models the impact of a RL being struck from the side by an SUV or a pickup To meet these important benchmarks engineers increased the side section of the frame to comply with new collision regulations see Safety section for more information They also chose different material specifications to provide the desired level of stiffness and strength for critical areas without adding unnecessary weight o The use of aluminum for the front and rear bumper heamc hood trunk lid and front fenders saves 18kg compared to steel o Extremely strong Grade 80 hightension steel is used for the side sills underfloor Spars and in the impact absorbing crumple zones at the front of the side frames 2005 Acura RL 7 o Strong high tension Grade 45 steel is used on the front shock mounts areas of the front passenger compartment bulkhead areas of the front subframe mounts and rear structure o The rest of
22. to six different compatible mobile phones can be paired with the HandsFreeLink system at one time 2005 Acura RL 26 MULTI INFORMATION DISPLAY UP SELECT RESET DOWN WARNING amp 9 CHECK r d AIRBAG SYSTEM Fe CHECK EMISSION H_a Svstem MULATI INFORMATION DISPLAY ACURA NAVIGATION SYSTEM WITH BILINGUAL VOICE RECOGNITION The RL is equipped with a new generation Acura Navigation System with Bilingual Voice Recognition that has more memory and a faster processor For Canada the RL now has a two disc system With the expanded features and coverage of the navigation system tvo DVD discs were necessary A North coverage disc covers Canada and northern United States and comes installed in the new RL In the glove box is the second South disc that covers all of the U S and Southern Canada Depending on where the driver travels most often he or she can simply install the other disc to obtain their desired coverage The RL navigation system also has extensive improvements to its performance information content and ease of use Summary O O O O 8 inch screen for convenient viewing Interface Dial simplifies control of the system and is accessible to driver and front seat passenger Faster system start up time Faster route calculation and search speed Expanded voice recognition with over 1000 combined French and English language functions minimizes the need for manual character entry S
23. turning By relieving the front tires of some of the work of turning the car the system reduces understeer and the vehicle stays balanced and controllable In addition with the cornering loa more evenly distributed between the front and rear tires the total cornering grip is increased In conventional cars cornering is created almost entirely by the steering angle of the front tires In the RL cornering is created by steering angle of front tires combined with the extra drive torque supplied by the outside rear tire This is a significant advance over conventional drive systems To deal with high power output front or rear drive systems generally use some type of limitedslip device to maintain traction under power The linking effect of the inside and outside drive wheels in these systems resists turning however This is a factor that works against the front tires as they attempt to turn the car Conventional AWD systems have a similarlinking effect between the inboard and outboard tires and front and rear axles causing a similar resistance to turning This is part of the reason why traditional AWD systems typically lack the more nimble feel of the best two wheel drive systems By using drive torque to actually help turn the car the RL can be more responsive neutral and predictable while simultaneously offering all of the usual benefits of all wheel drive SHAD CUTAWAY 2005 Acura RL 38 Electronic Controls and Parameters The logic
24. wheels but also between the left and right rear wheels SHAWD goes a step beyond conventional all wheel drive by actively controlling the torque delivered to each rear wheel during corning The result is neutral accurate steering when cornering under power that frontdrive rear drive or conventional altwheel drive can t equal Torque splits are as follows o During straight line cruising and moderate cornering below about half throttle up to 70 percent of the torque is delivered to the front wheels 2005 Acura RL 37 o In full throttle straight line acceleration up to 7 percent of the power is sent to the rear axle o In hard cornering up to 70 percent of available torque goes to the rear wheels for enhanced chassis balance Up to 100 percent of this torque can be applied to the outside rear wheel if the situation dictates SH AWD varies the amount of torque to the left and rightrear wheels When cornering a planetary gear set overdrives or accelerates the outer rear wheel faster than the average of the front wheels to dramatically enhance the cornering steering feel overall handling and stability of the RL The result is clas leading cornering precision as well as enhanced traction Direct Yaw Control System Theory SH AWD counters understeer under power with the Direct Yaw Control System Spinning the outside rear wheel faster than the average speed of the two front wheelsallows the system to use engine power to yaw the vehiclewhile
25. with the hood continues it with a forwardmounted windshield and finishes with a short rear overhang Aerodynamic cabin has flush side glass for reduced drag and wind noise Along with outstanding aero performance it is designed to look like it moves fast Packaging The packaging goal for the 2005 Acura RL was to create a shorter body with short reduced overhangs and wider interior dimensions for enhancedcomfort and convenience In comparison to the 2004 3 5 RL the RL body is 76 mm shorter with a wheelbase more than 102mm shorter The body is also 25mm wider and 15mm taller The result is enhanced handling capability and maneuverability and significantlyreater interior room up 82 litres Controlling the weight of the RL was important to ensure maximum acceleration road holding and braking performance The use of lightweight materials and weightsaving design resulted in a weight gain of only 42kg ove the previous 3 5 RL to 1 808kg This modest gain is remarkable given the dramatically higher vehicle content level which includes the standard SH AWD system side curtain airbags and many other features nfi ZE i arhe aa gt gt gt SNAN fi TA EXTERIOR DIMENSIONS The 2005 Acura RL compares favorably to ts competitors in its class in overall packaging and curb weight Even though it is equipped with alwheel drive its weight is comparable to that of rear wheel drive competitors and significantly below
26. 2005 Acura RL Model Overview INTRODUCTION The 2005 Acura RL combines performance technology and luxury in an athletic new package that pushes the boundaries on multiple fronts True to form for Acura the many advanced systems of the RL are engineered to function smoothly efficiently and intuitively Similarly the RL upholds another basic Acura tenet comprehensive standard equipment In the case of the RL everything is standard including the Acura Navigation System with Bilingual Voice Recognition There are no factory options The only available RL options are select dealer installed accessories In creating this new luxury vehicle Acura designers completely redefined the RL concept to reposition it at the leading edge of its category Its new shape is more taut and athletic and its acceleration and cornering performance is dramatically improved to challenge the most capable high end luxury sport sedans Comfort quietness and ride quality are also substantially improved The 2005 RL serves notice that Acura has upped the ante in the High Luxury category The innovation built into the RL begins with the most powerful engine ever offered ina production Acura The new 3 5 litre VTEC V 6 engine delivers 300 horsepower a remarkable 33 percent increase compared to its predecessor and torque has risen to 260 lb ft a 12 percent increase In spite of developing more power from the same displacement the new RL engine meets much tougher
27. 2005 RL unithas upgrades and enhancements to suit the greater engine output and higher engine speeds of the RL Designed for low maintenance and a high level of durability the RL transnsision requires no scheduled service until 160 000 kilometres To provide strong offthe line acceleration coupled with a relaxed fuekefficient cruising rom this unit has the widest ratio spread of any 5speed automatic transmission in the class Automatic Mode The Sequential SportShift transmission can be operated in conventional fully automatic mode via a console mounted gated shifter When in automatic mode the transmission incorporates an advanced Grade Logic Control System and Shift Hold Control both of which work to reduce gear hunting and unnecessary shifting Shift Hold Control keeps the transmission in its current lower ratio when the throttle is quickly released and the brakes are applied as might be the case when decelerating to enter a corner Shift Hold Control leaves the chassis undisturbed by excess shifting ensuimg that abundant power is immediately available without a downshift Grade Logic Control alters the 5 speed automatic s shift schedule when traveling uphill or downhill reducing shift frequency and improving speed control Throttle position vehicle speed and acceleration deceleration are continuously measured then compared with a map stored in the transmission computer The Grade Logic Control System then determineswhen the car
28. 66 front 1240 rear Passenger Cargo 371 litres Total 3177 litres FUEL ECONOMY 13 1 9 4 L 100km EXTERIOR DI MENSI ONS load Curb Weight Wheelbase 2800 mm Track front 1576 mm Track rear 1585 mm Overall Length 4917 mm Overall Width 1847 mm Overall Height unladen 1452 mm Minimum Ground Clearance non 145 mm WEI GHTS 1815 kg Weight Distribution front rear 58 42 Fuel mileage ratings based on internal testing using the EPA method comparison use only 2005 Acura RL 50 INTERIOR DIMENSIONS Front Head 977 mm Room Leg 1076 mm Room Hip 1400 mm Room Shoulder 1487 mm Room Rear Head 946 mm Room Leg 923 mm Room Hip 1372 mm Room Shoulder 1426 mm Room 2005 Acura RL 51
29. 8 28 kg Aluminum hybrid Aluminum Steel hydroformed hydroformed Aluminum hybrid Steel hydroformed Steel hydroformed Combined 31 39 front rear subframe weight kg TI RES The RL is equipped with the largest tires ever offered on a production Acura sedan Original equipment is a P245 50R17 98V high performance allseason tire that delivers outstanding cornering and is M S Mud and Snow rated This tire is 20mm wider and 25 mm larger in wheel diameter than the 225 50 R16 tire found on the 2004 model The tire s capability is further enhanced by the standard SH AWD system see Engine amp Powertrain section for more information An 18 inch accessory wheel and summer tire package will be available as a dealerinstalled item The RL spare tire is a temporary T155 70D17 WHEELS The RL wheels are 17 x 8J inch cast aluminum alloy They are 25 mm larger in diameter and 25 mm wider than the 16 x 7J inch units found on the 2004 3 5 RL The spare wheel is a 17 x AT unit ELECTRONICALLY CONTROLLED SPEED SENSING POWER ASSIST RACK AND PINION STEERING Precise steering performance is an essential facet of the RL The goals were to combine a light but linear steering feel at low speeds with a solid steering feel at high speeds Together with the neutral handling characteristics of the chassis the RL is engineered to feel likea smaller car than it actually is to the driver Compared to traditional mechanically controlled hyd
30. BD which automatically adjusts the front rear brake pressure to suit conditions while an antilock braking system ABS helps the driver retain directional control in hard braking situation Also included is 4hannel Vehicle Stability Assist VSA Brake Assist Brake Assist helps drivers apply full braking pressure in an accident avoidance situation To do so a Microprocessor continually analyzes and learns the driver s normal braking habits monitoring both the rate of pressure applied and the total pressure that the driver normally applies to the brake system If the driver suddenly applies the brakes Brake Assist brings the system to full ABS activation to help stop the vehicle in the shortest distance possible It is omy activated when the microprocessor detects that certain brake pedal speed and pressure thresholds are reached Importantly Brake Assist assists the driver in obtaining full braking performance in an emergency The Brake Assist system deactivates when the driver releases pressure on the brake pedal TIRE PRESSURE MONITORING SYSTEM TPMS The onboard Tire Pressure Monitoring System TPMS with location and pressure indicators warns the driver when the air pressure lowers in any tire This helps reduce te chance of losing control of the vehicle due to low air pressure This is important because a slow leak such as might be caused by a nail embedded through the tread might not be detectable immediately but would in
31. Driver and passenger seat back pockets 4 way adjustable front and rear headrests Remote retractable rear headrests Front centre console storage 2005 Acura RL 46 Illuminated ignition power window switches steering wheel controls and door lock switches Genuine curly maple dashboard trim Carpeted floor mats COMFORT and CONVENIENCE HandsFreeLink Bilingual wireless telephone interface Acura Navigation System with Bilingual Voice Recognition Acura BOSE 10 speaker Surround sound System with 6 disc CD DVD Audio and DTS changer and AM FM tuner Active Noise Cancellation System ANC Power moonroof with auto open close auto reverse and key off operation GPS linked solar sensing Duakzone Dual mode Automatic Climate Control Rear passenger ventilation controls Electronic tilt and telescoping steering column with driver recognition Steering wheel mounted controls cruise control audio telephone voice recognition and multi information display Multi information display screen Speed sensing variable intermittent windshield wipers Front and rear power windows with auto down up auto reverse and key off operation Overhead map lights Front and Rear Automatic day night rearview mirror Illuminated driver and front passenger vanity mirror HomeLink Programmable feature customization 12 volt power outlets fro
32. IC TECHNOLOGY DASH OUTER INSULATOR LIGHTWEIGHT DASH INSULATOR HOOD INSULATOR C E ACOUSTIC ROOF LINING ACOUSTIC TRUNK SIDE LINING ACOUSTIC TRUNK FLOOR LINING DAMPING MATERIAL WITH CONSTRAINED LAYER DASH PANEL FLOOR gt D F j Sy A LIGHTWEIGHT FLOOR INSULATOR aP gt ae ACOUSTIC REAR INNER FENDER lt LIGHTWEIGHT HIGH DAMPING MATERIAL et gt Wiii Flooring o Lightweight floor insulator o Floor undercover Subframes o Floating front and rear subframes with four mounting points Interior o ANC system for noise control see Interior section for more information o Lightweight instrument panel damping materials o Thinsulate insulation in selected areas Trunk o Acoustic design with side front and lid linings POWER WI NDOWS The side power windows on the RL are made of glass that is 5 mm thick to reduce cabin noise Each window features an auto open and auto close function as well as an antipinch safety feature and key off operation FLUSH GLASS The 2005 Acura RL is the first car in the world to have totally flush side glass where it meets the B pillars Normally a gap of about 5 mm exists between side glass and the Bpillar But on the RL the window guide is on the glass instead 6 the window frame which allows the gap to be eliminated This means there is one continuous uninterrupted plane running along the front side window across the B pillar and all the way to the trailing edge of the rear si
33. Programmed Fuel Injection PGMFI system monitors the exact state of the exhaustgas and tracks multiple engine inputs including throttle position intake air temperature coolant temperature intake manifold pressure etc Based on these inputs PGMFI continuously adjusts and optimizes the amount of fuel delivered to each cylinder DRI VE BY WIRE THROTTLE CONTROL SYSTEM DBW Like the NSX TL and other Acura models the RL utilizes a driveby wire throttle system that eliminates the need for a conventional throttle cable The DBW system monitors various parameters like throttle pedal position throttle valve position road speed engine speed and gear position then adjusts the momentto moment relationship between pedal position and throttle opening By altering the amount of movement between the pedal and butterfly valve significant improvements in drivability and acceleration linearity are possible For smooth launches from a standing start the system has relatively little gain so that engine response is smooth and progressive At higher speeds the gain increases to provide responsive acceleration for passing and hill climbing The Sequential SportShift automatic transmission and Vehicle Stability Assist VSA with traction control are fully integrated with Drive by Wire CLOSE COUPLED CATALYTIC CONVERTERS AND VARIABLE FLOW EXHAUST SYSTEM The exhaust manifolds of the RL are cast directly into the alloy cylinder heads to reduce weight and to
34. Some of these components are formed using an advanced blow forming process that allows intricate shapes to be ceated without increasing the weight of the part Careful attention was paid to smoothing airflow over under and around the body across the flush side glass and across the windshield wipers Acowl garnish was installed at the lower part of the windshield to reduce air turbulence while an advanced exteriormirror design also contributes to improved quietness inside the car Exterior lighting is upgraded with the Active Front Lighting System AFS To help the driver see around corners or intersections the left or right low beam headlight can swivel automatically up to 20 degrees outboard when certain steering angle and speed conditions are met Xenon HID low beam headlights LED mirror integrated directional signals in the exterior mirror housings and Centre High Mounted Stop Lamp dramatically brighten visibility In addition exclusive to Canada are Headlight Washers With the headlights on the headlight washers pop out of the bumper and release 70ml of washer fluid and then retract back into the bumper all in less than one second This helps to eliminate any residue from building up on the headlight allowing for safer nighttime illumination The independent front double wishbone and independent mult link rear suspension use aluminum arms and mourt on aluminum subframes Vehicle Stability Assist VSA with traction control large
35. actuators operate clutch packs that control the planetay gearset When the input shaft is locked with the planetary gear carrier there is no ratio change this is the straightine mode During cornering the carrier is coupled with the case and the output shaft speed increases up to five percent or approximately five percent A speed sensor at the hypoid gear downstream of the Acceleration device provides a feedback loop to the SHAWD Electronic Control Unit to ensure that the system is working properly MOVEMENT OF VEHICLE IN TURNING YAW MOMENT OF TURNING REAR DRIVE UNIT TRACE LINE OF REAR WHEEL TRACE LINE OF FRONT WHEEL S AWID VECTOR DRAWING Direct Electromagnetic Clutch Systems Located on either side of the hypoid gear that drives the rear axle two identical Direct Electromagnetic Clutch systems control the amount of drive torque that reaches each rear wheel and provide limited slip differential function An electric coil controls te pressure applied to a clutch which slows the sun gear in a planetary gearset to modulate the torque that is sent to the wheel The amount of torque transmitted to each rear wheel can vary continuously between zero and 100 percent depending on the conditions Under deceleration throttle closed while cornering torque to the outside rear wheel is varied to change from an inward to an outward yaw moment helping vehicle stability An oil temperature sensor allows the ECU to estimate the clutch
36. akes ABS and Brake Assist also help contribute to greater driver control HID Xenon plasmaarc low beam headlights and Active Front Lighting System AFS contribute to superior nighttime visibility The 2005 RL is the first Acura to feature the Alvanced Compatibility Engineering ACE body structure It is designed to help dissipate collision forces while enhancing crash protection for occupants and passengers in other vehicles Excellent test results are anticipated for the U S government New Car Assessment Program NCAP collision tests and Insurance Institute for Highway Safety IIHS tests The RL features Duakstage Front Airbags and Side Airbags In addition Side Curtain Airbags that provide head protection for all outboard seating postions are also standard equipment The RL has seat sensors that monitor the weight on the front passengefs seat These automatically turn off the passenger s front airbag if they detect an infant or small child may be in the seat 2005 Acura RL Body BODY DESIGN amp STRUCTURE The 2005 Acura RL combines its dynamic new exterior and interior design with advanced body and chassis engineering The result is distinctive and appealing styling together with super maneuverability on the road To ensure that theRL has exceptional dynamic capabilities and driving quality it is outfitted with a lightweight and highly rigid body structure that makes extensive use of both hightensile steel and aluminum component
37. de window The benefit is a furthe reduction in wind noise and an even cleaner high quality appearance 2005 Acura RL 13 EXTERIOR MIRRORS To reduce wind rush and turbulence exterior mirror housings need to be small and aerodynamic without unnecessarily reducing the mirror area On the RL the power miror element is precisely sized to fit inside a compact housing that reduces these unwanted characteristics The airflow between the mirror housing and the side window glass is likewise crucial for reducing turbulence and noise Engineers designed this gap as an expanding V shape with the gap narrower at the front and wider at the rear This helps the airflow decelerate as it flows across the glass instead of accelerating as it would if the Vangle were to decrease The result is smoother airflow and less mid and high frequency noise EXTERIOR PAI NT The exterior paint on the 2005 Acura RL uses an environmentally conscious waterbased process The painting procedure begins with an electrodeposition ED primer which is electrically charged in the paintbath After the ED primer is applied it is cured at high temperature to improve corrosive durability Next comes a primer surfacer that is hand sanded to ensure a smooth surface forbetter appearance After a waterborne colour basecoat is applied a pair of clear coats provide depth while helping to protect the base coat from air pollution acid rain and fog Six different exterior colours are a
38. ed Light Emitting Diode LED lighting systems These include LED mirror integrated directional signals each of which features bright LEDs to alert motorists who are alongside when the RL driver is planning b change lanes or make a turn Each taillight brake light assembly has an array of 28 LEDs The taillights use 14 LEDs arranged as the perimeter of a circle and the brake lights use an additional 14 LEDs When the brakes are applied all 28 LEDs light wp illuminating the entire area The centre high mounted stop lamp CHMSL also uses LEDs The projected service life of the RL LEDs is 2 000 hours 2005 Acura RL 11 Daytime Running Lights Note The RL features DRLs mandatory in Canada and offered for the first timein an Acura in the U S NVH COUNTERMEASURES The elimination of undesirable noise vibration and harshness NVH in the 2005 Acura RL was of primary concern to development engineers Virtually everything that could be the source of these traits was scientifically reviewed and modified during the planning and prototype phases Acura wanted to provide RL clients with 300 hp alwheel drive and large diameter high performance tires for advanced handling characteristics At the same time they wanted the car to remain refined and nearly silent for highway cruising and have a stirring high performance engine sound during acceleration These attributes along with low NVH and light overall vehicle weight were achieved through
39. ed to return a GOOD rating In the 35 mph New Car Assessment Program NCAP full frontal barier test the RL is projected to earn Five Stars the highest rating for both driver and front passenger In the 38 mph U S NCAP side test the RL is projected to earn Five Stars the highest rating for both front and rear outboard passenger In the IIHS 50km h 31 mph SUV side collision test RL is projected to return a GOOD rating 2005 Acura RL 42 DRI VER S AND FRONT PASSENGER S DUAL STAGE DUAL THRESHOLD AI RBAG SUPPLEMENTARY RESTRAINT SYSTEM SRS Dual stage airbags for the driver and front passenger are designed to provide maximum protection for the head and chest during a moderate to severe front collision while simultaneously helping to reduce injuries and cost They do both through the use of a dual stage dual threshold airbag technology Each airbag inflata has two stages During a severe collision both stages fire at the same time to provide immediate inflation of the airbag But during a moderate collision the igniters fire in sequence slowing the deployment rate of the airbags Besides the severity ofthe collision the modules interpret a signal from the seat belt buckle switch that indicates whether the occupants are wearing their seat belts o If the front passengers are not wearing their seat belts the airbags will deploy at the same threshold as conventional airbags If the front passengers are wearing their seat belts the airba
40. emission standards and delivers comparable fuel economy compared to its predecessor A new 5 speed automatic with Sequential SportShift paddle shifters and Grade Logic Control sends power to the standard Super Handling All Wheel Drive SH AWD system which dramatically elevates cornering capability This innovative full time system precisely distributes power front to rear and side to side at the rear In addition to providing the expected traction advantages of all wheel drive SH AWD does something no other current AWD system can It increases the rotation speed of the outside rear wheel during aggressive cornering to help the car turn more effectively under power This lessens the cornering load on the front tires to reduce understeer and improve handling balance and total cornering grip GHOSTED DRAWING The rigid Advanced Compatibility Engineering ACE body structure of the RL features extensive use of high tensile steel and lightweight aluminum components to take construction beyond conventional safety protocols while keeping weight in check and providing a solid 2005 Acura RL 1 platform Optimized independent front double wishbone and independent multi link rear suspension geometry larger brakes and aggressive new 1Zinch aluminumalloy wheels and tires work together to further enhance the reflexes of the RL The elegantly styled interior includes perfoated leather trimmed seats fine wood accents and high quality mate
41. ent reduces window fogging by 9 percent compared to conventional leather Two different interior leather coloursare available Parchment and Ebony DRI VER ORI ENTED COCKPIT Acura interior design has always made intuitive functionality a priority All important systems and controls are within easy reach of the driver The systems used most frequently audio cruise control HandsFreeLink Navigation System and Multt information display have controls positioned on the steering wheel The main instrumentation is easyto read analog supplemented with digital and graphic displays Even though the RL gives its driver acess to many electronic features and conveniences the interface is simple and welcoming Sight lines are clear with important items placed within easy view Typical of Acura interior design the softtouch switchgear of the RL is engineered to deliver a quality feel and positive action Helpful features make driving easier like power rearview mirrors that can be set to automatically tiltdown when reverse is engaged to make parking simpler There is also a new bottomhinged throttle pedal with a more lirear feel and natural motion A large dead pedal in the driver s foot well provides extra support for the driver in aggressive driving 2005 Acura RL 20 LEATHER WRAPPED STEERING WHEEL The leather wrapped steering wheel incorporates the most commonly used controls allowing the driver to keep his or her hands on the wheel while using the
42. even million points of interest are stored on updatable DVDs Audio system automatically mutes for turn by turn voice guidance which can be turned off at any time Destination memory recalls current tripaddresses previous destinations and user address books Directory categories include restaurants searchable by type of cuisine lodging shopping airports hospitals recreation areas and much more Zagat restaurant guide provides detailed information ard reviews on restaurants in database Split screen mode features a simultaneous map view and selective 3D route visualization New Spell mode where you can spell street names Voice Recognition operates key audio and climate control functions 2005 Acura RL 27 Make calls to on screen points of interest with HandsFreeLink User selectable Day Night screen or display off modes Trip routing can include up to five userchosen way points Trip routing can avoid userselected areas Exit list shows what businesses are available ata given highway exit while in US only On screen picture of highway interchanges indicates which lane to use to stay on route while in U S only Larger on screen fonts and buttons for better visibility o Greater map contrast and simplified visual presenttion 00000 0 O System Operation Based on positioning data from up to 12 orbiting Global Positioning Satellites GPS the Acura Navigation System with Bilingual Voice Recognition tracks the vehicle s positi
43. f several rates via the Multiinformation display The trunk has interior lighting plus the trunk lid has lighting that illuminates the bumper and sill area when the lid is opened INTERIOR ROOMINESS AND CONVENIENCE The RL interior offers plenty of storage and convenience features for driver and passengers The front centre armrest has a unique dual lid which allows the padded armrest to be used on one side while the lid on the other side is opened The armret upper portion can also be swiveled up to allow access to a large lower storage compartment The front double beverage holder has an adjustable bottom tray that allows it to accommodate a wide range of container sizes Inside the glove compartment is aseparate document box that allows the RL User Manual and important registration and insurance papers to be stored safely This arrangement also frees up storage space in the main glove box compartment In the rear seating area the rear folding armrest has a padded top A pullout dual beverage holder is built into the rear armrest 1450 2800 e al 1100 INTEFROOR DOVENSIONS CARGO CARRYING VERSATILITY 2005 Acura RL 23 The RL has a generously sized 371 litre trunk that is fully finished with all wiring concealed and the rear parcel shelf speakers and navigatim unit fully protected The acoustic properties of the trunk and the three rear deck speakers were engineered together to create the best p
44. gs will inflate at a slightly higher threshold In the RL the system also assesses the weight of the front passenger through a seat weight sensor If the weight is less than a certain amount the front passenger airbag is shut off The front passenger s airbag also features a seamless instrument panel cover over the airbag for a cleaner more elegant look DRI VER S AND FRONT PASSENGER S SIDE AIRBAGS WITH FRONT PASSENGER OCCUPANT POSITION DETECTION SYSTEM OPDS New larger size side airbags are mounted in the outboard area of each front seatback They are designed to provide upper torso protection in the event of a sufficient side impact The front passenger s seat is equipped with Occupant Position Detection System OPDS an innovative system designed to deactivate the side air bag if a small child or smat tature adult leans into the side air bag deployment path When the passenger returns to an upright seating position the side air bag reactivates so it can deploy and help protect the occupant in a side impact The system utilizes sensors in the passenger seatback to determine the height and position of the occupant and determine if it is safe to deploy the side aitbag SIDE CURTAIN AIRBAGS In a sufficient side impact the side curtain airbags in the new RL deploy from roof modules providing head protection for frontseat as well as rear seat occupants Side curtain airbags effectively cover the window area from tle A pillar back to the C
45. i information display HandsFreeLink Bilingual wireless telephone interface compatible with Bluetooth mobile phones Keyless Access System Tire Pressure Monitoring System TPMS with location and pressure indicators Remote retractable rear headrests Power rear sunshade Rear side sunshades Ventilated seats with heating and cooling Canada only OAD KSTRUVENT PANEL SAFETY features O gt O OOO 07 O0 p O Advanced Compatibility Engineering ACE body structure Side impact door beams Impact absorbing crumple zones front rear 3 point adjustable height seat belts with load limiters and front pretensioners 3 point seat belts at all seating positions Automatic Locking Retractor Emergency Locking Retractors ALR ELR Front head restraints adjustable for height and tilt Rear adjustable head restraints LATCH Lower Anchors and Tethers for Children childseat mounting system Driver s and front passenger s dualstage dual threshold airbag Supplementary Restraint System SRS Driver s and front passenger s side airbags with front passenger Occupant Position Detection System OPDS Side Curtain Airbags for front and rear outboard seats 2005 Acura RL 3 Powertrain Powering the RL is a compact new aluminumalloy 3 5 litre SOHC VTEC V 6 engine that is mounted transversely rather than longitudinally as in the previous 2004 3 5 RL Significantly lighter narrower and shorter the new engine is also substantia
46. ift that would send the engine beyond redline in the lowergear The Sequential SportShift transmission will automatically downshift to first gear as the vehicle comes to a stop to prevent lugging away from a stop in a high gear 5 POSITION SHIFT GATE The new RL benefits from a new 5 position shift gate that simplifies the operation of the transmission It features a quiet linkage and a speedcontrolled reverse lockout solenoid to prevent transmission damage When operated in automatic mode thetransmission lets the driver choose D 1 through 5 gear or D3 1 through 3 gear Engine braking can be provided easily by moving from D to the D3 position downshifting from 8 4 or 3 gear depending on the vehicle speed COOPERATION BETWEEN 5AT AND DRI VE BY WIRE Both shift speed and smoothness have been improved by cooperation between the new Drive by Wire Throttle System and the electronically controlled automatic transmission Now that the engine can be throttled by the engine management system during upshifts and downshifts the function of the engne and transmission can be closely choreographed for faster smoother shifting As a result the peak g s or shift shock are reduced significantly during upshifts and downshifts SUPER HANDLING ALL WHEEL DRIVE SH AWD Super Handling AlkWheel Drive SH AWD is the first and only altwheel drive platform that distributes the optimum amount of torque not only between the front and rear
47. iness name or place using the Interface Dial much like a computer mouse to select characters from an on screen keypad Compared to the previous generation Acura navigation system the RL system start up time has been reduced and search performance has been cut The onboard database has now been expanded to include a Zagat Restaurant Guide and the accuracy of all road data has been increased KEYLESS ACCESS SYSTEM One of the advanced new features of the RL is its Keyless Access System with driver recognition for driver s seat steering wheel outside mirrors climate control audio system settings and presets and select navigation system settings This feature allows the RL owner to gain access to the car without ever having to unlock it with the remote transmitter or key The keyless remote has an electronic unique digital identity The ca can be unlocked when the driver grasps the front door with the keyless remote in his herpossession Once the driver has opened the door and been seated Acura Keyless Access System allows him or her to start the RL by pushing and rotating the ignition switch without inseting a key into the ignition To unlock the door the driver must have thekeyless remote in their possession The remote can remain in a pocket or briefcase it isn t necessary to have it in hand The driver simply approaches the car and presses a raised dimple on either of the front door handles to unlock the door Grasping the door hand
48. io Pilot automatically adjusts the tone voume level in response to exterior noises Audio Pilot monitors the sound in the RL cabin using the same microphone used for the Active Noise Cancellation ANC system then the system adjusts the audio system output to compensate Centre Point Audio Pilot balance fader and other functions can be accessed via the Interface Dial Controls for key audio system functions are positioned within fingertip reach on the RL steering wheel Select audio system functions can also be accomplished via voice commans For precise audio imaging and impressive sound for listeners in the front and rear seats the 10 speakers are strategically located throughout the RL cabin Each front door has a 170mm full range speaker and a separate 25mm tweeter A 60mm twiddler iscentreed on the top of the instrument panel Each rear door has a full range speaker the rear parcel shelf has a 60mm twiddler on each side with a big 230mm woofer centrally located beneath the back glass A total of 260 watts drives the 10speaker system HANDSFREELI NK BILINGUAL WIRELESS TELEPHONE I NTERFACE The RL has a standard HandsFreeLink hands free phone interface that is designed to work with many recently manufactured Bluetoothenabled mobile phones sold separately For 2005 this system operates in English and French Bluetooth is a radio frequency based cable replacement technology that lets portable devices like mobile phones PDAs
49. laptops and other devices communicate wirelessly The RL system is compatible with Bluetooth enabled cell phonesthat have the Hands Free Profile HFP Some early Bluetooth enabled phones do not have this communications protocol but any newly released phones should have the HFP After the driver completes a onetime pairing process the RL can communicate wirelessly and securely with the driver s cell phone Although the phone needs to be on it can be stowed in a pocket briefcase or purse or anywhere inside the RL cabin HandsFreeLink allows the driver to send or answer calls without taking his or her handgrom the steering wheel When a call comes in the number of the incoming caller is displayed on the Mult information display located in the speedometer face The phone ring tone is also played over the audio system If the driver chooses to answer the cdl a press of the steering wheel mounted Pick up button mutes the audio system and the incoming caller is heard over the audio system speakers An overhead microphone picks up the driver s voice Algorithms built into the HandsFreeLink system cancel eho effect and reduce background noise to improve the transmission quality of the driver s speech To send a call hands free the driver can dial the number by voice again using fingertip controls mounted on the steering wheel to activate the system he driver also can store frequently called numbers with voice tags in the system s memory Up
50. le opens the door 2005 Acura RL 28 Approaching the driver s side allows the opening of the driver s door only when approaching the passenger s side all four doors can be opened Via the Multi information display s selectable unlocking feature the RL owner can preset a preference to have all four doors unlock when the driver s door is approached To open the trunk simply approach with the remote and pull the lever and it will automatically unlock so you can open the lid Note that the system will not allow the recognized transmitter to be locked in the trunk Preferences The Acura RL comes with two keyless remotes Each keyless remote can be set with a unique preference for instance to accommodate the preferences of a husband and wife The preferences include driver s seat steering wheel and mirror positions and select climate control settings Other preferences include turning entry lights on or off and choosing a confirming beep when locking the doors In the event both owners plan to use the car at the same time the RL will recognize the keyless remote that approaches first Built in Key A built in mechanical key is provided as a back up in the event that thekeyless remote battery should fail In this case the RL can be started with thebuilt in key For security purposes when using a valet parking service you can push a trunk lockout switch inside the glove box and then lock the glove box and the trunk passthrough with
51. lly more powerful producing 300 hp and 260 lb ft of torque compared to 225 hp and 231 I b ft of torque in the previous 3 5 RL The new engine is also cleaner meeting stringent CARB LEV2 ULEV emissions targets which are significantly cleaner than the LEV standards of the previous 3 5 RL Preliminary fuel economy figures are 13 1 City and 9 4 Highway L 100 km The RL comes standard with a 5 speed automatic with Sequential SportShift paddle shifters and Grade Logic Control Gears may also be shifted manually via a new multigate shifter located on the centre console The defining powertrain feature of the 2005 RL is SuperHandling AlkWheel Drive SH AWD The system continuously varies the torque split between the front and rear wheels and left and right rear wheels To help the RL arc through corners wth better chassis balance and more total grip SH AWD overdrives the outside rear wheel at a faster speed using engine torque to help the car rotate into the turn Body and Chassis The RL body is taller wider but shorter overall These dimensions contibute to a more muscular appearance and a more aggressive dynamic personality The new unit body structure is stiffer for improved handling precision and utilizes a variety of steel grades in different areas where maximum strength is required In additio the hood front fenders trunk lid front and rear subframes as well as the bumper beams are manufactured from aluminum to reduce weight
52. m Programmed Fuel Injection PGM FI Direct ignition system with knock control Drive by wire throttle system 5 speed automatic with Sequential SportShift paddle shifters and Grade Logic Control 2005 Acura RL 44 160 000 km tune up interval Super Handling AlkWheel Drive SH AWD Electronically controlled soeed sensing power assisted rack and pinion steering Independent front double wishbone suspension with independent multilink rear 4 wheel ventilated disc brakes with aluminum 4piston front calipers 4 channel Vehicle Stability Assist VSA with traction control 17 inch alloy wheels with Vrated all season performance tires U S CARB certified LEV2 ULEV exhaust emission control system SAFETY and SECURITY Anti Lock Braking System ABS Electronic Brake Distribution EBD Brake Assist Advanced Compatibility Engineering ACE body structure Driver and front passenger s dualkstage dual threshold airbag Supplemental Restraint System SRS Side curtain airbags Driver s and front passenger s side airbag SRS with front passenger cupant Position Detection System OPDS 3 point seat belts adjustable height seat belts with load limiters and front pretensioners Xenon High Intensity Discharge HID headlights with Active Front Lighting System AFS LATCH Lower Anchors and Tethers for Children child seats mounting system
53. m the rear window shades retract back into the door liner 2005 Acura RL 24 ACTIVE NOISE CANCELLATION ANC SYSTEM The 2005 RL introduces a new technology to North America Active Noise Cancellation ANC system which is designed to dramatically reduce low frequency exhaust booming noise in the interior The system operates whenever the car is running regardless of whether the Acura Bose audio system is on or off There are two microphones in the headliner one just behind the front overhead console and another just ahead of the overhead rear light module The microphores capture low end drivetrain frequencies entering the cabin and send a signal to the Active Noise Cancellation unit The control unit then creates a precisely timed reverse phase audio signal that is sent to an amplifier which powers the door speakers and the subwoofer positioned on the rear deck Since the system is designed to cancel lowfrequency sound it doesn t use any of the audio system s tweeters The ANC dramatically reduces the booming sound of the exhaust front and rear In the frequency range below 100 hertz ANC results in an impressive 10 dB reduction in noise level OVERHEAD CONSOLE The overhead console incorporates a variety of useful features including the standard HomeLink system controls for interior lighting power sunroof pover rear sunshade and remote retracting rear headrests ACURA BOSE 10 SPEAKER SURROUND SOUND SYSTEM WITH 6
54. mic performance interior luxury appointments features and quality The new suspension works with the SHAWD system to provide superb handling precision The suspension s optimized geometry provides linear cornering feel outstanding dry and wet weather cornering capabilities a flat ride and a high level of controllability at all times It also results in an increased feelingof precision and security for the driver and passengers alike Front Double Wishbone Suspension The front suspension is a double wishbone type with an enlarged subframe mount and compliance bushing as compared to the 2004 3 5 RL In addition the dampes now feature rebound springs that reduce chassis attitude changes to ensure a flat ride during acceleration and cornering Specific improvement goals for the RL suspension included better response over rough roads improved steering feel optimized geometry and overall component toughness The steering knuckle or upright upper arm lower arm and subframe are all lightweight aluminum 2005 Acura RL 15 5 FRONT SUSPENSION FOV Rear Multi Link Suspension The rear suspension is a mult link type with a new enlarged subframe mount and a longe upper arm design As a result the roll centre is optimized for better turning response cornering stability and control in extreme conditions The optimized geometry results in linear toe and camber changes during suspension travel Improved roll stiffness also makes the RL cor
55. ner flatter than the previous model It also has anti lift characteristics to reduce the pitching motion of the body during braking Harshness and road noise are also significantly reduced and ride comfort is also measurably improved thanks to these changes and a new compliance bushing Lightweight aluminum is used for weight savings in the control arms and subframe The components are also stiffer to withstand the higher side loads that SHAWD larger tires and a stiffer unit body create 2005 Acura RL 16 200402 8N011 REAR SUSPENSION FOV Aluminum Hybrid Subframes The RL front and rear aluminum subframesare con _ h members made by high temperature bulge forming and high vacuum die casting Both manufacturing techniques result in significantly lighter units than wald be possible with either aluminum hydroform or steel hydroform processes To bulge form these components an aluminum tube is heated and pressurized with air inside a specially shaped die The ability to shape the component under both heat and pressure means that less material can be used lowering the overall weight of the finished component The aluminum hybrid subframes on the RL save over 8 kg compared tothose of the Acura TL and save nearly 18kg compared to comparable steel hydroforred subframes like those of the Acura TSX The exact weight savings are shown below 2005 Acura RL 17 2005 Acura RL 2004 Acura TL 2004 Acura TSX Front subframe 16 1
56. nt and centreconsole Front and rear dual beverage holders Front door storage compartments Dual trip meters Maintenance Minder system Front side window defoggers 2005 Acura RL 47 Remote trunk and fuel door releases POWERTRAIN Engine Type 3 5 litre SOHC 60 degree VTEC V 6 Horsepower SAE Net 300 hp 6200 rpm Torque 260 Ib ft 5000 rpm Redline 6800 rpm Bore and Stroke 89 mm x 93 mm Displacement 3471 cc Compression Ratio 11 0 1 Induction System Programmed Fuel Injection PGM FI Valvetrain Variable valve Timing and Lift electronic Control VTEC with 4 valves per cylinder belt driven single overhead camshaft Engine Block Aluminum alloy with centrifugally cast iron cylinder liners Cylinder Head Aluminum alloy with 4valves per cylinder with pent roof combustion chambers Emission Control Close coupled catalytic converter US CARB certified LEV2 ULEV emission control Ignition System Direct ignition system with knock control Alternator 130 amp max Battery 12V maintenance free Recommended Fuel Premium Unleaded 2005 Acura RL 48 Layout Transversely mounted front engine Super Handling AltWheel Drive SH AWD Transmission 5 speed automatic with Sequential SportShift paddleshifters and Grade Logic Control Body Type CHASSIS Ratios
57. nts The system can also be controlled by voice and some seldom needed custom settings can also be accessed through the Mult Function Controller The climate control system s control logic is now designed to provide smoother operation with less pronounced and obvious changes in airflow With its position sensing ability the navigation system contributes to overall passenger comfort with 3D solar sensing Based on its ontinuously updated vehicle position information the navigation system determines the position of the sun relative to the driver and passenger Combining this information with input from a solar sensor located on top of the instrument panel the climate control system automatically adjusts the temperature and airflow from side to side as needed to compensate for asymmetrical solar heating System operation can be customized to suit the preferences of the driver and front seat passenger Using the navigation screen and Multi Function Controller the temperature of the air flowing through the upper vents can be lowered relative to that of the air flowing from the footwell vents POWER REAR SUNSHADE For greater passenger comfort on sunny days the RL has apower operated rear window sunshade With a switch located in the overhead console the driver or passenger can raise or lower the rear sunshade In addition manually operated sunshades for each rear side window can be extended and latch to the top of theinner door By unlatching the
58. oduced by the engine throughout the lower part of its rpm band Funne tshaped intake ports similar to those used on racing engines are built in at the uppermost end of each intake runner to improve airflow As the benefits of the resonance effect lessen with rising engine speed the butterfly valves open at 4000 rpm interconnect the two halves of the plenum increasing its volume An 2005 Acura RL 33 electric motor commanded by the powertrain control module controls the connecting butterfly valves Each cylinder drawsintake air from the full plenum chamber The inertia of the mass of air rushing down each intake passage helps draw in more charge than each cylinder would normally ingest This phenomenon is the same effect produced by a low pressure supercharger The inertia effect greatly enhances cylinder filling and the torque produced by the engine at higher rpm DIRECT IGNITION AND DETONATION KNOCK CONTROL The RL power boost afforded by the higher 11 0 1 compression ratio is made possible by a powertrain control module PCM that monitors engine functions to determine the best spark timing An acoustic detonation knock sensor mounted on the engine block listens to the engine Based on this input the PCM retards the ignition timing incrementally to prevent potentially damaging detonation The RL hasiridium alloy tipped sparkplugs each with a coil unit positioned above it in the access bore PROGRAMMED FUEL INJ ECTION PGM FI The
59. on If the GPS antenna is blocked by a tunnel tall buildng or parking garage an internal gyroscopic system and a speed sensor track the location of the vehicle to keep the mapping information current and reliable until satellite reception is restored A DVD is located in the trunk in the system s ECU The system can be controlled by voice or by the Interface Dial For voice operation the driver simply presses the Talk button on the steering wheel and says any of a number of preset command phrases The system responds to over 1000 English and French command phrases as well as the new spell mode where you can spell the name of the street previously the driver would have to use the keypad to input a street When the Talk button is pressed the audio system is automatically muted and an overhead microphone receives the command from the driver Commands can be given in plain English like Display gas stations or Find nearest Chinese restaurant You can choose to display points of interest on the map like restaurants or grocery stores for exampl or have the system provide turn by turn navigation all by voice The extensive pointof interest database includes phone numbers which can be dialed easily by using the HandsFreeLink system and the driver s cell phone The Acura Navigation System withBilingual Voice Recognition can also be controlled via the Interface Dial by choosing menu options or spelling out a word e g an address bus
60. ossible sound performance out of the Acura Bose DVD A system To allow room for longer items a locking trunk pass through is provided A standard cargo net and a network of anchor points help keep cargo securely in position The spare tire is located under a folding cover in the trunk floor For a cleaner appearance and to avoid damage to luggage the aluminum trunk ld is supported by fully concealed hinge mechanisms The trunk can be opened via a remote release mounted on the driver s door panel by pulling the exterior release on the lid when carrying the Keyless Access fob or with a manual release accessible throud the locking trunk pass through There is also an emergency trunk opener inside near the latch For security the trunk main switch is located in the glove box which can be locked to prevent access by valets A valet key is provided that will allow a paking attendant to operate the ignition but will not to open the glove box trunk or locking trunk passthrough GPS LINKED SOLAR SENSING DUAL ZONE DUAL MODE AUTOMATIC CLI MATE CONTROL SYSTEM The RL has a GPS linked solar sensing dual zone dual mode automatic climate control system that lets the driver and front passenger set temperaturemodes to their individual liking A pair of large adjustable vents in the rear of the centre console keep the rear seat area comfortable Large simple to use systen controls are positioned within easy reach just below the centre instrument panel ve
61. pillar Tests show that the g forces acting upon an occupant s head are far lower with a side curtain airbag 2005 Acura RL 43 ee INTERIOR DEPLOYED AIRBAGS LATCH LOWER ANCHORS AND TETHERS FOR CHILDREN The 2005 RL includes a LATCH Lower Anchors and Tethers for Children child seat mounting system for the outboard rear seats LATCH features builtin lower anchors and ready to use tether attachment points that allow compatible child safety seats to be installed without using the vehicle s seat belt system The LATCH systen simplifies child seat installation when an owner installs a LATCH compatible child seat The centre rear seat has a tether point but no lower anchors PEDESTRIAN SAFETY Acura s safety interests extend beyond care for vehicle occupants The RL hood areawas designed to deform if contact is made with either an adult or a child pedestrian Underneath the hood are energy absorbing supports and fender mounts and the windshield wiper pivots are also deformable in the event that a pedestrian contacts these aeas Research shows that features such as these dramatically improve a pedestrian s chance of survival if struck by a moving vehicle DAMAGE RESISTANCE amp REPARABILITY In the IIHS low speed crash evaluation tests the RL is projected to receive top ratingin the large luxury class 2005 Acura RL Specifications 3 5 litre 300 hp 24 valve SOHC VTEC V 6 aluminum alloy engine Variable Induction Syste
62. proved entry and exit the rear doors now open 80 degrees Trunk opening The trunk opening is reinforced to retain rigidity while providing a large low opening for easier loading Inside the opening is finished to hide the hinges and to cover the rain gutters see Interior section for more information Windshield Wipers To decrease wind noise levels and improve appearance the RL incorporates hidden pivots and wiper arms for its speed sensing variable intermittent windshield wipers The pivots are hidden underneath the trailing edge of the hood line to reduce noise levels and enhance appearance The use of a hidden windshield wiper pivot is a world s first The hidden pivot improves aerodynamic efficiency and reduces visual distraction when the wiper reverses direction A new cowl garnish below the windshield wipers also reduces wind noise comributing to a significant reduction in wind noise Another advantage of hiding the wiper pivot is enhanced outward visibility Hiding the pivot increases the passenger s forward visibility However the wiper arms do have a slide up mechanism in order to pull the wiper arms off the windshield for easy snow removal Aerodynamics The low aerodynamic drag on the 2005 Acura RL pays dividends in the form of lower wind noise improved fuel economy performance and stability on the highway An air dam reduces front lift force An engine undercover and floor undercovers further smooth airflow as do m
63. put the engine s two primary catalytic converters as close as possible to the combustion chambers The 600 cell per square inch high efficiency converters mount directly to the exhaust port of each cylinder head for extremely rapid converter light off after the engine starts By eliminating traditional exhaust header pipes this arrangement results in a significant weight savings A hydroformed 2 into 1 collector pipe carries exhaust gases to a single 350 ceHper inch secondary converter under the passenger cabin To balance the engine s need for proper exhaust backpressure at low speed and free flow at high speed the exhaust system incorporates a variable flow rate feature An exhaust pressure operated valve in the system has two operating modes The low speed mode has a flow rate of 130 litres per second when the engine reaches about 4000 rpm the exhaust pressure rises enough to open he valve which increases the flow to 150 litres per second EMISSIONS CONTROL Although the new RL powerplant has made large power advances it has also become much cleaner It now meets the U S CARB LEV 2 ULEV emissions standards Many advanced technologies contribute to this emissions performance The cylinder head mounted close coupled catalysts light off quickly after engine start up and a 32bit RISC microprocessor in the powertrain control module PCM boosts computing power to improve the precision of spark and fuel delivery Particularly right after startup
64. r more information 2005 Acura RL 22 INTERIOR LIGHTING The analog instruments are LED backlit with highcontrast markings and a subdued blue accent hue A progressive self illuminating gauge package gives the car a welcoming feel When the door is first opened the instrument lighting comes to life and then brightens progressively to 100 percent when the ignition is switched on The illuminated instrument needles and enunciator lights then come alive indicating that the car is ready to go At the end of the drive the instrument lighting dims progressively All the interior switches are illuminated to make them easy to locate at night including those on all four doors and the steering wheel In addition to front and rear overhead interior lights and map lights the RL also has a complement of lowlevel interior ambient cabin lighting Blue front and rear low level ambient lighting in the ceiling illumiates the front centre console and the rear flip down armrest The front foot wells also have lowlevel blue ambient lighting that brightens substantially when the doors are opened Front and rear interior door handle areas are also illuminated to make tlem easy to find and the front door storage pockets glove box and the front armrest compartment are all internally illuminated All four doors have courtesy lights that are illuminated when the doors are open The RL interior lights feature theater dimming which can be set by the driver to any o
65. r support In the rear seat area the outer seating positions are carefully engineeed complete with side bolsters to combine luxurious comfort on long trips with solid lateral support In front 4 way headrests are adjustable for height and tilt In back all of the three headrests have a power retraction feature that allows the driverto lower them with a touch of an overhead button for better rearward visibility when there are no rearseat passengers When carrying rear passengers the headrests can be raised manually for use MULTI I NFORMATION DISPLAY MID AND MAINTENANCE MINDER A highly functional instrument panel gives the RL driver instant access to critical information It also provides important vehicle information via an LCD Multiinformation display positioned in the lower speedometer face The Mult information display shows vehicle mileage and trip mileage Controls positioned at the 4 o clock position of the steering wheel hub allow the driver to cycle the display through multiple screens of information Trip computer functions include average and instantaneous fuel economy average speed fuel range and elapsed time The system also can display outside air temperature engine oil life as a percentage SH AWD torque distribution and tire pressures The Maintenance Minder System alerts the RL driver of upcoming maintenane needs via the MID should a fault occur with the vehicle warning information also appears see Engine section fo
66. rated leathertrimmed ventilated seats with heating and cooling are designed to be supportive yet deliver maximum comfort in summer and winter The RL feature list is now even more comprehensive with a standard Acura Bose DVBAudio system that delivers surround sound in all seating positions Acura Navigation System with Bilingual Voice Recognition is standad and features a large 8 inch screen 2005 Acura RL 19 The RL is also the first vehicle equipped with the Keyless Access System which allows owners to lock and unlock doors open the trunk and start the car without having the keyless remote in the hand Interior at a Glance o Luxurious cockpit designed for performance driving o Perforated leather trimmed ventilated seats with heating and cooling o Genuine curly maple wood trim o LED backlit gauges with progressive illumination o Leather wrapped 4 spoke steering wheel with illuminated fingertip controls and paddle shifters o Electronic tilt and telescoping steering column with driver recognition o Driver s 8 way power seat with power adjustable lumbar support o GPS linked solar sensing dual zone dual mode automatic climate contra system o Multi information display allows access to multiple electronic functions o Acura Navigation System with Bilingual Voice Recognition o HandsFreeLink wireless telephone interface is compatible with many Bluetooth mobile phones o Acura Bose 10 speaker Surround Sound System with 6
67. raulic power steering the speedsensing steering assist unit in the RL is controlled electronically As a result it provides a very linear and direct steering feel regardless of vehicle speed In particular the oncentre feel is designed to be precise and linear with no discernible dead spot VSA WITH TRACTION CONTROL Vehicle Stability Assist VSA is standard equipment on the RL It uses electronicraction control and ABS functions combined with yawand longitudinal lateral acceleration sensors to quickly detect if the vehicle is about to understeer or oversteer to an extent that would reduce driver control It then reduces engine output and appies one or more individual brakes to stabilize the vehicle 4 WHEEL VENTILATED DISC BRAKES WITH ABS AND ELECTRONIC BRAKE DISTRIBUTION EBD In keeping with the athletic capabilities of the RL Acura designers upgraded the 4wheel disc brakes to create a true high performance system They targeted the braking performance of top level competitors from Audi BMW and Mercedes Benz as the benchmark to meet and exceed New 320 mm cast iron ventilated front rotors use aluminum 4piston calipers These multi piston calipers are extremely rigid and are derived from racing applications In back 310 mm cast iron ventilated discs attach to theirhub with lightweight aluminum collets and are gripped by one piston aluminum calipers 2005 Acura RL 18 The 2005 RL includes Electronic Bake force Distribution E
68. replacements This first tuneup includes water pump inspection valve adjustment and replacement of the camtiming belt and sparkplugs MAINTENANCE MINDER SYSTEM To eliminate unnecessary service stops while ensuring that the vehicle is properly maintained the RL has a Maintenance Minder system that automatically monitors the vehicle s operating condition When maintenance is required the driver is alerted via a message on the Multi Information display 2005 Acura RL 35 The system monitors operating conditions such as oil and coolant temperature and engine speed to determine the proper service intervals Depending on the operating onditions oil change intervals can be extended potentially sparing the owner considerable money and inconvenience over the life of the car The ownerresettable system monitors all normal service parts and systems including oil and filter tire rotation air cleaner automatic transmission fluid spark plugs timing belt coolant brake pads and more To prevent driver distraction maintenance alerts are presented when the ignition is first turned on not while driving 5 SPEED AUTOMATIC WITH SEQUENTIAL SPORTSHIFT PADDLE SHIFTERS AND GRADE LOGIC CONTROL To maximize acceleration performance fuel economy and driver control the RL has a standard 5 speed automatic with Sequential SportShift paddle shifters and Grade Logic Control Mechanically related tothe compact transmission that made its debut in the 20 MDX the
69. retensioner for front passenger and rear outboard seats Front seat belt load limiters Front 4 way adjustable head restraints Driver s seat position sensor Driver s and front passenger s side airbags with front passenger Occupant Position Detection System OPDS o Rear centre three point seat belt o000 Child Seating o Automatic Locking Retractors Emergency Locking Retractors ALR ELR o Tether anchors all rear positions o LATCH Lower Anchors and Tethers for Children childseat mounting system Airbags o Driver s and front passenger s dualstage dual threshold airbag Supplementary Restraint System SRS o Seamless airbag lid for the passenger airbag o Driver s and front passenger s side airbags with front passenger Occupant Position Detection System OPDS o Side curtain airbag system ADVANCED COMPATIBILITY ENGINEERING ACE BODY STRUCTURE The Advanced Compatibility Engineering ACE body structure on the 2005 Acura RL is designed to take vehicle front frame construction beyond conventional safety protocols such as the NHTSA NCAP 35 mph frontal barrier test or the IIHS 40 mph offset frontal crash Its goal is to deliver significantly enhanced occupant protection in a variety of realWworld crash conditions These may include a frontal collision between vehicles of differing heights weights and frame construction The ACE structure uses the engine compartment to efficiently absorb and disperse collision energy during a vehicle
70. rials These are complimented by the most advanced electronics available including the Acura Navigation System with Bilingual Voice Recognition Active Noise Cancellation ANC system and a spectacularsounding Acura Bose 10 speaker Surround Sound System with 6 disc CD DVD Audio and DTS changer and AM FM tuner Safety is also enhanced with a Tire Pressure Monitoring System TPMS as well as with side curtain airbags These and many more advances are combined in the altnew 2005 Acura RL to produce the strongest most powerful best handling and most luxurious sedan Acura has ever built Powertrain features Super Handling AlkWheel Drive SHAWD 5 speed automatic with Sequential SportShift paddle shifters and Grade Logic Control 3 5 litre VTEC V 6 engine 300 horsepower 6200 rpm 260 lb ft of torque 5000 rpm VTEC Variable Valve Timing and Lift Eletronic Control valvetrain Drive by wire throttle system Variable flow exhaust system 11 0 1 compression ratio High inertia intake manifold Direct ignition system and detonation knock control Computer controlled Programmed Fuel Injection PGM FI Meets U S CARB LEV 2 ULEV standard which cuts NOx by 77 compared to LEVI LEV of previous 3 5 RL o 160 000 kilometre tune up 0 OQ 0 0 000000 0 0 Body amp CHASSI S features o Unit body with extensive use of hightensile steel and aluminum o Lightweight aluminum front and rear subframes o Xenon High Intensit
71. s and features 4wheel independent suspension DESIGN CONCEPT The 2004 3 5 RL exemplified refined luxury When Acura designers began work on the 2005 RL that would replace it they wanted to go further with a taut and athletic shape that conveyed the new performance capabilities of the car without sacrifimg the comfort and capability the previous model had achieved To create an exhilarating athletic sedan the designers targeted higher dynamic performance superb maneuverability distinctively appealing styling and a high level of active safety The result is a luxury performance sedan that is primed to compete with the Audi A6 BMW 5 Series Mercedes Benz E Class and others Design Image Acura designers set out to create the RL with a more pronounced sporting edge than in the past To help craft his image styling cues included the following Taut athletic body design with European influence Aerodynamic lines with low drag and high stability Low hood line for increased forward visibility and reduced aerodynamic drag Oo O Q o Flush side glass for reduced wind noise 2005 Acura RL 5 o Short tail for reduced aerodynamic drag and improved maneuverability Aero Sculpture The aerodynamic properties of the new RL complement the styling safety dynamic performance stability human factors and other considerations To achieve this hgh performance exterior the RL designers created a strong wedge shape that begins its momentum
72. the refinements and improvements that have been developed in other Acura powerplants The RL engine has a 60 degree V angle and compact overall dimensions Aluminum alloy construction saves weight and improves cooling while free breathing VTEC cylinder heads operate four valves per cylinder 320 05 RL ENGINE PERFORMANCE 320 05 RL ENGINE PERFORMANCE 300 p 300 ane 280 300Ps 6200rpm 260 33 260 438 240 35 240 4 220 u 220 Ja PsolPs Torqueikgm PselPs 36kg 5000rpm Torquetkgm 200 22 200 180 v 180 1 160 th 160 Jz 140 2 140 120 100 1000 2000 3000 4000 5000 6000 7000 Netrpes 120 100 1000 2000 3000 4000 5000 6000 7000 Nedrpem ERP ORANGE A high inertia intake system increased compression ratio new closecoupled catalytic converters and high flow exhaust help make the RL engine the most powerful normally aspirated 6 cylinder engine in its class Compared tothe previous 3 5 RL the new RL has gained a total of 75 horsepower Of that total the new high inertia intake manifold accounts for 15 horsepower Another 40 horsepower was gained in internal engine efficiencies and an additional 20 horsepower was netted by the variable flowrate exhaust system ENGINE BLOCK The lightweight heat treated die cast aluminun alloy block has castin place iron cylinder liners These thin wall centrifugal cast iron liners help reduce the block s overall length and
73. to vehicle collision It features a new frame structure composed of a highly efficient energy absorbing main frame a bulkhead upper frame which absorbs the upper part of the collisionenergy and a lower member that helps prevent misalignment of the frames of the vehicles involved This design disperses collision forces over a larger frontal 2005 Acura RL 41 area which enhances energy absorption of the engine compartment reduces the chance of deformation of the passenger compartment and results in enhanced occupant protection At the same time by reducing the chance of vertical or lateral misalignment between the RL and other vehicle s safety structures ACE reduces the vehicle s aggressivity towardother vehicles during a frontal collision During a frontal collision a conventional body structure generally concentrates the loads from the impact through two pathways running longitudinally through the lower portion of the frame The ACE structure s front mounted polygonal main frame is designed to prevent cabin deformation by distributing forces through multiple major load bearing pathways and away from the passenger compartment ENERGY ABSORBING BODY STRUCTURE PASSENGER CELL ABINPORCEMENT CRASH TESTING Projected impact test results for the RL are excellert in four separate tests from the US federal government and Insurance Institute for Highway Safety IIHS O O O In the IIHS 40 mph frontal offset test the RL is project
74. uffler covers and a rear diffuser which help therear differentials cooling and result in rear lift force reduction 2005 Acura RL 9 REAR FLOOR COVER LOWER ARM COVERS REAR STRAKES L EXHAUST PIPE AERO PLATES FRONT STRAKES FLOOR UNDERCOVERS L ENGINE UNDERCOVER FRONT SPOILER AERO UNDERCOVERS ACTIVE FRONT LIGHTING SYSTEM The RL features the first Active Front Lighting System AFS for an Acura product It also has Xenon High Intensity Discharge HID headlights 55 watt fog lights and daytime running lights All are standard equipment In the Active Front Lighting System the lef low beam unit can swivel left and the right low beam can swivel right to improve illumination while cornering or to illuminate around the corner of an intersection This allows the driver advance warning if a pedestrian object or animal is in the way Each light can swivel up to 20 degrees outboard with the amount determined based on the vehicle speed and steering input The system uses the following components o Steering angle sensor Vehicle speed sensor Reverse switch cancels AFS when car is backing up Control switch turns off AFS at driver s discretion Instrument panel warning light illuminates when AFS is turned off Control unit swivels the headlightlow beam projector unit via a gearbox and step motor 00000 AFS swivels either the left or rightheadlight not both together when the following conditions are met Steering angle
75. ule PCM triggers the opening of an electric spool valve that routes pressurized oil to small pistons in the intake valve rocker arms These pistons slide into position to lock together the three ina ke rockers in a given cylinder which then follow a single highlift longduration cam lobe The intake and exhaust valve timing and duration is unique to the RL TWO PIECE DUAL STAGE I NTAKE MANIFOLD The 2005 RL uses a new duatstage intake manifold tha is designed to deliver maximum airflow and accounts for 15 percent of the horsepower out of 75 horsepower total gained over the previous generation 3 5 RL The 2 piece cast aluminum manifold is also very light Compared to the one piece dual stage unit used on the MDX the RL manifold saves 1 2 kg Working in concert with the VTEC valve train the induction system significantly boosts torque across the engine s full operating range Internal passages and two butterfly valves commanded by the powertrain control module provide two distinct modes of operation These valves are closed at lower rpm In this mode the three cylinders on each bank draw air from only the nearer half of the manifold s internal chamber or plenum The volume of the plenum and the length of inlet passages are tuned to maximize the resonance effect wherein pressure waves are amplified within each half of the intake manifold at certain rom ranges Amplified pressure waves significantly increase cylinder filling and the torqu r
76. us Lexus 3 5 RL Quattro 530i 545i GS 300 GS 430 3 0 with Tiptronic Engine 3 5 litre 3 5 litre 3 O litre 3 0 litre 4 4 litre 3 0 litre 4 3 litre SOHC SOHC DOHC DOHC DOHC DOHCI DOHC V VTEC V 6 30 valve 1 6 V 8 6 8 V 6 V 6 Horsepower 300 225 220 225 325 220 300 rpm 6200 5200 6300 4900 6100 5800 5600 Torque 260 231 221 214 330 220 325 rpm Ibs 5000 2800 3200 3500 3600 3800 3400 ft Standard 5 AT 4 AT 5 AT 6 MT 6 AT 5 AT 5 AT transmissio n Drive SH AWD FWD AWD RWD RWD RWD RWD System POWERTRAIN AT A GLANCE Engine o 3 5 litre SOHC VTEC V 6 engine produces 300 horsepower at 6200 rpm and 260 lb ft of torque at 5000 rpm VTEC Variable Valve Timing and Lift Electronic Control 11 0 1 Compression ratio Two piece dual stage intake manifold Direct ignition system and detonation knock contol Variable flow exhaust system Drive by wire throttle system Computer controlled Programmed Fuel Injection PGM FI Smart Maintenance system optimizes service intervals 160 000 km tune up interval OOo OO O On O Os O Emissions Fuel Economy o High flow close coupled catalytic converters plus under floor catalytic converter o High capacity 32 bit RISC processor engine control unit o Designed to meet the U S CARB LEV 2 ULEV standard which cuts NOx by 77 compared to LEV I LEV of previous 3 5 RL o Estimated mileage of 13 1 9 4 L 100kmCit
77. vailable Some are selectively available with two different interior colours The following chart below showsthe available exterior interior colour combinations see Interior section for more information EXTERIOR COLOUR INTERIOR COLOUR Opulent Blue Pearl Magnum Gray Pearl Nighthawk Black Pearl Celestial Silver Metallic Desert Mist Metallic 2005 Acura RL Chassis OVERVIEW Quick handling response nimble performance high dynamic capabilities outstanding ride comfort and a fun to drive character were the design goals for the 2005 Acura RL chasis The RL features a highly rigid unit body that provides an excellent platform for the foutwheel independent suspension independent front double wishbone with independent multilink rear Aluminum suspension components front and rear cut unsprungweight to allow for more supple and responsive suspension action and more consistent traction and handling on rough roads The optimized suspension geometry of the RL works with new electronically controlled power steering larger wheels and tires and theSuper Handling AlkWheel Drive system to give the RL exceptional handling balance in virtuallyevery driving condition Ride quality and road noise isolation were also the focus of substantial engineering effort so even with its elevated sporting performance the RL remains quiet and composed 2005 Acura RL 14 CHASSIS CONCEPT The 2005 RL was designed to compete squarely with highend luxury in dyna
78. weight With their rough outer surfaces these liners bond securely to the surrounding aluminum during the manufacturing process enhancing linerto block rigidity and heat transfer The block also incorporates a deep skirt design for rigid crankshaft support and minimized noise and vibration CRANKSHAFT PISTONS CONNECTING RODS The forged crankshaft of the RL is similar to that of the MDX but with revised counterweights to accommodate the weight of higher compression pistons With their taller reinforced 2005 Acura RL 32 crowns these new pistons raise the compression ratio relative to the MDX from 10 0 1 to 11 0 1 The previous generation 3 5 RL had a compression ratio of 9 6 1 The elevated compression ratio is a key element in the horsepower gain compared to the previous generation engine Part of the reason for the elevated compression ratio is an oil jet system that sprays cooling oil on the underside of the piston crowns to keep temperatures in check CYLINDER HEADS VALVES Like the MDX and the TL the RL uses cast alby single overhead camshaft cylinder heads that incorporate tuned exhaust manifolds as an integral part of the casting Made of pressurecast low porosity aluminum these lightweight components improve overall packaging enhance exhaust flow and allow theoptimal positioning of a primary closecoupled catalytic converter on each cylinder bank To ensure positive sealing the RL has a threelayer type head gasket like that of
79. y Highway Preliminary mileage estimates determined by Acura Final fuel economy estimates were not available at the time of printing Use for comparison purposes only Actual mileage may vary Noise Vibration amp Harshness NVH o Automatically tensioned maintenance free serpentine accessory drive o 60 degree V angle for inherently smooth operation 5 speed automatic with Sequential SportShift paddle shifters and Grade Logic Control o Quick response Sequential SportShift allows sem manual operation o Steering wheel mounted manual mode shift control paddles 2005 Acura RL 31 o Coordination between drive by wire throttle system and transmission makes for quicker smoother shifts o Wide gear ratio spacing for strong acceleration and good fuel economy o Advanced shift hold control limits upshifts during aggressive driving mode o Advanced Grade Logic Control System reduces gear hunting when driving on steep hills Super Handling All Wheel Drive SH AWD o Fully automatic fulltime traction and handling enhancing system o Distributes torque between the front and rear wheelsand between the left and right rear wheels to directly control the yaw movement of the vehicle o Understeer is reduced when cornering o Maximum cornering grip is achieved by evening the load on each tire ENGINE ARCHITECTURE The 3 5 litre VTEC V 6 in the RL is the most powerful production engine in Acura s history and incorporates many of
80. y Discharge HID headlights with Active Front Lighting System AFS Power moonroof with tilt autoopen close auto reverse and key off operation Heated outside mirrors with driver recognition reverse gear tilfdown and integrated directional signals Independent double wishbone front suspension Independent multi link rear suspension Electronically controlled speed sensing power assist rack and pinion steering 17 x 8J inch aluminumalloy wheels P245 50R17 98V high performance all season tires 4 wheel anti lock braking system ABS with Electronic Brake Distribution EBD and brake assist Vehicle Stability Assist VSA with traction control LED backlit gauges with progressive illumination Headlight Washers Canada only O O o00000 Ooo Oo Comfort and Convenience Features Leather wrapped steering wheel Sequential SportShift and paddle shifters Electronic tilt and telescoping steering column with driver recognition Driver s 8 way power seat with 2 way power adjustable lumbar support Front passenger s 4 way power seat with 2 way power adjustable lumbar support GPS linked solar sensing dual zone dual mode automatic climate control system 000000 2005 Acura RL 2 O 00 0 OO CO 0O 00 0 Acura Bose 10 speaker Surround Sound System with 6disc CD DVD Audio and DTS changer and AM FM tuner Active Noise Cancellation ANC system Acura Navigation System with Bilingual Voice Recognition Interface Dial Mult

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