2021 ACURA NSX engine

366
uuBraking uAnti-lock Brake System (ABS)
Driving
Anti-lock Brake System (ABS)
Helps prevent the wheels from locking up, an d helps you retain steering control by
pumping the brakes rapidly, much faster than you can.
The electronic brake distribution (EBD) system, which is part of the ABS, also
balances the front-to-rear braking distri bution according to vehicle loading.
You should never pump the brake pedal. Let the ABS work for you by always
keeping firm, steady pressure on the brake pe dal. This is sometimes referred to as
“stomp and steer.”
■ABS operation
You may hear an operating noise when the ABS is working. Depress the brake pedal
and keep holding the pedal firmly down. On dry pavement, you will need to press
on the brake pedal very hard before the ABS activates. However, you may feel the
ABS activate immediately if you are trying to stop on snow or ice.
ABS may activate when you depress the brake pedal when driving on:
• Wet or snow covered roads.
• Roads paved with stone.
• Roads with uneven surfaces, such as potholes, cracks, manholes, etc.
When the vehicle speed goes unde r 6 mph (10 km/h), the ABS stops.
■ABS1Anti-lock Brake System (ABS)
NOTICE
The ABS may not function correctly if you use an
incorrect tire type and size.
When the ABS indicator comes on while driving,
there may be a problem with the system.
While normal braking is not affected, there is a
possibility of the ABS not operating. Have your
vehicle checked by an authorized Acura NSX dealer
immediately.
The ABS does not reduce the ti me or distance it takes
to stop the vehicle. It only helps with steering control
during hard braking.
In the following cases, yo ur vehicle may need more
stopping distance than a vehicle without the ABS:
•When driving on rough road surfaces, including
when driving on uneven surf aces, such as gravel or
snow.
•When tire chains are installed.
The following may be observed with the ABS system:
•Motor sounds coming from the engine
compartment when the brakes are applied, or
when system checks are being performed after the
engine has been started and while vehicle is
accelerates.
These sounds are normal to ABS systems and are no
cause for concern.
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368
Driving
Parking Your Vehicle
When Stopped
1.Depress the brake pedal firmly.
2. With the brake pedal depressed, pull up th e electric parking brake switch slowly,
but fully.
3. Change the gear position to
(P.
4. Turn off the power system.
u The electric parking brake indicator goes off in about 15 seconds.
Always confirm the electric parking brake is se t, in particular if you are parked on an
incline.
During Auto Engine Stop, th e gear position changes to
(P and the engine restarts
automatically under the following conditions:
• You unfasten the driver side seat belt and open the door.
1Parking Your Vehicle
Do not park your vehicle near flammable objects,
such as dry grass, oil, or timber.
Heat from the exhaust can cause a fire.
3WARNING
The vehicle can roll aw ay if left unattended
without confirming that Park is engaged.
A vehicle that rolls away could cause a crash
resulting in serious injury or death.
Always keep your foot on the brake pedal
until you have confirmed that
( P is shown
on the gear position indicator.
1 When Stopped
NOTICE
The following can damage the drivelineY•Depressing the accelera tor and brake pedals
simultaneously.
•Changing to ( P before the vehicle stops completely.
When facing uphill, do not hold the vehicle by
depressing the accelerator pedal.
Doing so may cause the power system to overheat
and fail.
In extremely cold temperatures, the parking brake may
freeze up if applied. If such temperatures are expected, do
not apply the parking brake. If parking on a slope, either
turn the steering wheel so one of the front tires will contact
the curb or block the wheels to keep the vehicle from
moving. If you do not take either precaution, the vehicle
may roll unexpectedly, leading to a crash.
When the Integrated Dynamics System mode is in QUIET mode or SPORT mode
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375
Driving
Refueling
Fuel Information
■Fuel requirement
Use of lower octane gasoline can cause occasional metallic knocking noise in the
engine and will result in decreased engine performance.
We recommend that you use a pump octane of 93 or higher to maximize the
performance of the engine.
Use of gasoline with a pump octane less than 91 can lead to engine damage.
■Top tier detergent gasoline
Because the level of detergency and additi ves in gasoline vary in the market, Acura
endorses the use of “TOP TIER Detergent Gasoline” where available to help
maintain the performance and reliability of your vehicle. TOP TIER Detergent
Gasoline meets a new gasoline standard jointly established by leading automotive
manufacturers to meet the needs of today’s advanced engines.
Qualifying gasoline retailers will, in most cases, identify their gasoline as having met
“TOP TIER Detergent Gasoline” standards at the retail location. This fuel is
guaranteed to contain the proper level of de tergent additives and be free of metallic
additives. The proper level of detergent ad ditives, and absence of harmful metallic
additives in gasoline, help avoid build-up of deposits in your engine and emission
control system.
For further important fuel-related information for your vehicle, or on information on
gasoline that does not contain MMT, visit Acura Owners at owners.acura.com. In
Canada, visit www.acura.ca for additional informati on on gasoline. For more
information on top tier gasoline, visit www.toptiergas.com.
■Fuel tank capacity: 15.6 US gal (59.0 liters)
Unleaded premium gasoline, pump octane number 91 or higher
1Fuel Information
NOTICE
We recommend quality ga soline containing
detergent additives that help prevent fuel system and
engine deposits. In addition, in order to maintain
good performance, fuel economy, and emissions
control, we strongly reco mmend the use of gasoline
that does NOT contain harmful manganese-based
fuel additives such as MMT, if such gasoline is
available.
Use of gasoline with these additives may adversely
affect performance, a nd cause the malfunction
indicator lamp on your inst rument panel to come on.
If this happens, contact an authorized Acura NSX
dealer for service.
Some gasoline today is blended with oxygenates such
as ethanol. Your vehicle is designed to operate on
oxygenated gasoline containing up to 15% ethanol
by volume. Do not use gaso line containing methanol.
If you notice any undesira ble operating symptoms, try
another service station or sw itch to another brand of
gasoline.
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377
Driving
Fuel Economy and CO2 Emissions
Improving Fuel Economy and Reducing CO2
Emissions
Achieving fuel economy and reducing CO2 emissions is dependent on several
factors, including driving conditions, load weight, idling time, driving habits, and
vehicle condition. Depending on these and other factors, you may not achieve the
rated fuel economy of this vehicle.
You can optimize your fuel economy with proper maintenance of your vehicle.
Always maintain your vehicle in accord ance with the messages displayed on the
driver information interface.
• Use the recommended vi scosity engine oil.
• Maintain the specified tire pressure.
• Do not load the vehicle with excess cargo.
• Keep your vehicle clean. A buildup of snow or mud on your vehicle’s underside
adds weight and increases wind resistance.
■Maintenance and Fuel Economy
1Improving Fuel Economy and Reducing CO2 Emissions
Direct calculation is the recommended method to
determine actual fuel consumed while driving.
In Canada, posted fuel economy numbers are
established following a simulated test.
For more information on how this test is performed,
please visit http://www.nrcan.gc.ca and search for
“fuel consumption testing” in the search field at the
top of the page.
Miles driven Gallons of
fuel Miles per
Gallon
100 L per 100 km
Liters of
fuel Kilometers
driven
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378
Driving
Turbo Engine Vehicle
Handling Precautions
The turbocharger is a high-precision device designed to obtain greater horsepower
by delivering a large volume of compressed air into the engine using a turbine driven
by the engine’s exhaust gas pressure.
•When the engine is cold just after starting, avoid hard or sudden
acceleration.
• Always replace the engine oil and en gine oil filter according to the
Maintenance Minder
TM.
The turbine rotates at very high speed s over 100,000 rpm and its temperature
reaches over 1,292°F (700°C). It is lubricated and cooled by engine oil.
If you fail to replac e the engine oil and filter at th e scheduled distance or interval,
deteriorated engine oil may cause failure such as sticking and abnormal noise of the
turbine bearing.
1 Turbo Engine Vehicle
The scheduled maintenance intervals for replacing
the engine oil and filt er is indicated on the
Maintenance Minder
TM. Follow the information of
when to replace them.
2 Maintenance Minder
TM P. 383
2 Recommended Engine Oil P. 394
The temperature gauge needle is at the mark
when you restart the engi ne after driving under high
load conditions such as at high speed or in hilly
terrain. This is normal. The gauge needle goes down
after you idle or drive the vehicle for about one
minute.
H
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379
Maintenance
This chapter discusses basic maintenance.
Before Performing MaintenanceInspection and Maintenance ............ 380
Safety When Performing Maintenance .... 381Parts and Fluids Used in Maintenance Service ........................................... 382
Maintenance Minder
TM..................... 383
Maintenance Under the Hood and Hatch Maintenance Items Under the Hood and Hatch ............................................. 389
Opening the Hatch .......................... 391
Opening the Hood ........................... 392
Engine Compartment Cover ............. 393
Recommended Engine Oil ................ 394
Oil Check ......................................... 395 Adding Engine Oil ............................ 398
Cooling System ................................ 400
Inverter Coolant ............................... 402
Transmission Fluids .......................... 403
Brake Fluid ....................................... 404
Refilling Window Washer Fluid......... 404
Replacing Light Bulbs ....................... 405
Checking and Maintaining Wiper Blades.... 408Checking and Maintaining Tires
Checking Tires ................................. 411
Tire and Loading Information Label ..... 412Tire Labeling .................................... 412DOT Tire Quality Grading (U.S. Vehicles) ...... 414Wear Indicators................................ 416
Tire Service Life ................................ 416 Tire and Wheel Replacement ........... 417
Tire Rotation .................................... 418
Winter Tires ..................................... 419
Cold Weather Driving ...................... 420
12-Volt Battery ................................. 421
Remote Transmitter Care Replacing the Button Battery ........... 422
Climate Control System Maintenance.... 423CleaningInterior Care .................................... 424
Exterior Care.................................... 426
Accessories and Modifications
Accessories ...................................... 431
Modifications................................... 432
Storage .............................................. 433
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381
uuBefore Performing Maintenance uSafety When Performing Maintenance
Continued
Maintenance
Safety When Performing Maintenance
Some of the most important safety precau tions are given here. However, we cannot
warn you of every conceivable hazard that can arise in performing maintenance.
Only you can decide whether you should perform a given task.
• To reduce the possibility of fire or explos ion, keep cigarettes, sparks, and flames
away from the 12-volt battery, all High Volt age system, and all fuel related parts.
• Never leave rags, towels, or other flam mable objects under the hood and hatch.
u Heat from the engine and exhaust can ignite them, causing a fire.
• To clean parts, use a co mmercially available degreaser or parts cleaner, not
gasoline.
• Wear eye protection and pr otective clothing when working with the 12-volt
battery or compressed air.
• Engine exhaust contains carbon monoxide, which is poisonous and can kill you.
u Only operate the engine if th ere is sufficient ventilation.
■Maintenance Safety
1Safety When Performing Maintenance
3WARNING
Improperly maintaining this vehicle or
failing to correct a pr oblem before driving
can cause a crash in which you can be
seriously hurt or killed.
Always follow the inspection and
maintenance recommendations according
to the schedules in this owner’s manual.
3WARNING
Failure to properly follow maintenance
instructions and prec autions can cause you
to be seriously hurt or killed.
Always follow the procedures and
precautions in this owner’s manual.
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382
uuBefore Performing Maintenance uParts and Fluids Used in Maintenance Service
Maintenance
• The vehicle must be in a stationary condition.
u Make sure your vehicle is parked on leve l ground, the parking brake is set, and
the power system is turned off.
• Be aware that hot parts can burn you.
u Make sure to let the power system, including the engine an d exhaust system,
cool thoroughly before touching vehicle parts.
• Be aware that moving parts can injure you.
u Do not activate the power system unle ss instructed, and keep your hands and
limbs away from moving parts. When the power system is on, the engine can
automatically start, or the radiator fan may start operating without the engine
running.
• Do not touch the high -voltage battery and wiring (orange).
Parts and Fluids Used in Maintenance Service
The use of Acura genuine parts and fluids is recommended when maintaining and
servicing your vehicle. Acura genuine parts are manufactured according to the same
high quality standards us ed in Acura vehicles.
■Vehicle Safety
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