361
Maintenance
This chapter discusses basic maintenance.
Before Performing MaintenanceInspection and Maintenance ............ 362
Safety When Performing Maintenance .... 363Parts and Fluids Used in Maintenance Service ........................................... 364
Maintenance Minder
TM..................... 365
Maintenance Under the Hood and Hatch Maintenance Items Under the Hood and Hatch ............................................. 371
Opening the Hatch .......................... 373
Opening the Hood ........................... 374
Engine Compartment Cover ............. 375
Recommended Engine Oil ................ 376
Oil Check ......................................... 377
Adding Engine Oil ............................ 380 Cooling System ................................ 382
Inverter Coolant ............................... 384
Transmission Fluids .......................... 385
Brake Fluid ....................................... 386
Refilling Window Wa
sher Fluid......... 386
Replacing Light Bulbs ....................... 387Checking and Maintaining Wiper Blades.... 390Checking and Maintaining Tires
Checking Tires ................................. 393
Tire and Loading Information Label ..... 394Tire Labeling .................................... 394DOT Tire Quality Grading (U.S. Vehicles) ...... 396Wear Indicators................................ 398
Tire Service Life ................................ 398
Tire and Wheel Replacement............ 399 Tire Rotation .................................... 400
Winter Tires ..................................... 401
Cold Weather Driving ...................... 402
12-Volt Battery ................................. 403
Remote Transmitter Care Replacing the Button Battery ........... 404
Climate Control System Maintenance.... 405CleaningInterior Care .................................... 406
Exterior Care.................................... 408
Accessories and Modifications Accessories ...................................... 412
Modifications................................... 413
Storage .............................................. 414
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366
uuMaintenance MinderTMuTo Use Maintenance MinderTM
Maintenance
To Use Maintenance MinderTM
Certain maintenance items due soon, along with the estimated remaining oil life,
appear on the driver information interface.
You can view them on the Maintenance Minder screen at any time.
1. Set the power mode to ON.
2. Roll the right selector wheel until the en gine oil life appears on the driver
information interface.
■Displaying the Engine Oil Life and Maintenance Items1 Displaying the Engine Oil Life and Maintenance Items
Based on the engine opera ting conditions and oil
age, the remaining engine oi l life is calculated and
displayed as a percentage.
There is a list of maintena nce main and sub items you
can view on the driver information interface.
2 Maintenance Service Items P. 368
Displayed Engine Oil
Life (%)Calculated Engine Oil Life (%)
100 100 to 91
9090 to 81
80 80 to 71
7070 to 61
60 60 to 51
5050 to 41
40 40 to 31
3030 to 21
20 20 to 16
1515 to 11
10 10 to 6
55 to 1
0 0
Remaining Engine Oil Life
Maintenance Service Items
Right Selector Wheel
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367
uuMaintenance MinderTMuTo Use Maintenance MinderTM
Continued
Maintenance
The system message indicator ( ) comes on along with the Maintenance Minder message.
■Maintenance Minder Messages on the Driver Information
Interface
Maintenance MessageOil Life DisplayExplanationInformation
Service Due Soon15 %The engine oil life indicator starts to appear
along with other due-soon maintenance item
codes when the remaining oil life drops to 15
percent. Once you switch the display by
rolling the right selector wheel, this message
will go off.The engine oil is approaching the end
of its service life.
Service Due Now5 %The remaining engine oil life is 5 to 1
percent. Roll the right selector wheel to
switch to another display.The engine oil has almost reached
the end of its service life, and the
maintenance items should be
inspected and serviced as soon as
possible.
Service Past DueNegative DistanceThe engine oil life has passed its service life,
and a negative distance appears after driving
over 10 miles (U.S. models) or 10 km
(Canadian models). Roll the right selector
wheel to switch to another display.The engine oil life has passed.
The maintenance items must be
inspected and serviced immediately.
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Continued369
uuMaintenance MinderTMuTo Use Maintenance MinderTM
Maintenance
Reset the Maintenance Minder display if you have performed the maintenance
service.
1. Set the power mode to ON.
2. Roll the right selector wheel until the en gine oil life appears on the driver
information interface.
3. With all doors closed, press and hold the right selector wheel for more than 10
seconds to enter the reset mode.
4. Select All Due Items with the right selector wheel, then press the right selector
wheel.
u The displayed maintenance items disappear, and the engine oil life display
returns to 100%.
To cancel the oil life reset mode, select Cancel with the right selector wheel, then
press the right selector wheel.
■Resetting the Display1 Resetting the Display
NOTICE
Failure to reset the Maintenance MinderTM display
after a maintenance servic e results in the system
showing incorrect maintenance intervals, which can
lead to serious mechanical problems.
An authorized Acura NSX dealer will reset the
Maintenance Minder
TM display after completing the
required maintenance service. If someone other than
an authorized Acura NSX dealer performs
maintenance service, reset the Maintenance
Minder
TM display yourself.
Right Selector
Wheel
Using the driver information interface
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393
Maintenance
Checking and Maintaining Tires
Checking Tires
To safely operate your vehicle, your tires must be of the proper type and size, in
good condition with adequate tread, and properly inflated.
■Inflation guidelines
Properly inflated tires provide the best combination of handling, tread life, and
comfort. Refer to the driver’s doorjamb labe l or specifications page for the specified
pressure.
Underinflated tires wear unev enly, adversely affect handling and fuel economy, and
are more likely to fail from overheating.
Overinflated tires make your vehicle ride ha rshly, are more prone to road hazards,
and wear unevenly.
Every day before you drive, look at each of the tires. If one looks lower than the
others, check the pressure with a tire gauge.
At least once a month or before long trips , use a gauge to measure the pressure in
all tires. Even tires in good condition can lose 1 to 2 psi (10 to 20 kPa, 0.1 to 0.2
kgf/cm
2) per month.
■Inspection guidelines
Every time you check inflation, also examine the tires and valve stems.
Look for:
• Bumps or bulges on the side or in the tread. Replace the tire if you find any cuts,
splits, or cracks in the side of the tire . Replace it if you see fabric or cord.
• Remove any foreign objects and inspect for air leaks.
• Uneven tread wear. Have an authorized Acura NSX dealer check the wheel
alignment.
• Excessive tread wear.
2 Wear Indicators P. 398
•Cracks or other damage around valve stem.
1Checking Tires
Measure the air pressure when tires are cold. This
means the vehicle has been parked for at least three
hours, or driven less than 1 mile (1.6 km). If
necessary, add or releas e air until the specified
pressure is reached.
If checked when hot, tire pressure can be as much as
4 – 6 psi (30 – 40 kPa, 0.3 – 0.4 kgf/cm
2) higher than
if checked when cold.
Have an authorized Acura NSX dealer check the tires
if you feel a consistent vi bration while driving. New
tires and any that have be en removed and reinstalled
should be properly balanced.
3WARNING
Using tires that are excessively worn or
improperly inflated can cause a crash in
which you can be seriously hurt or killed.
Follow all instruction s in this owner’s
manual regarding ti re inflation and
maintenance.
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397
uuChecking and Maintaining Tires uDOT Tire Quality Grading (U.S. Vehicles)
Maintenance
The traction grades, from highest to lowest, are AA, A, B, and C.
Those grades represent the tire’s ability to stop on wet pavement
as measured under controlled conditions on specified
government test surfaces of asph alt and concrete. A tire marked
C may have poor traction performance.
The temperature grades are A (the highest), B, and C,
representing the tire’s resistance to the generation of heat and its
ability to dissipate heat when te sted under controlled conditions
on a specified indoor laboratory test wheel. Sustained high
temperature can cause the material of the tire to degenerate and
reduce tire life, and ex cessive temperature can lead to sudden tire
failure. The grade C corresponds to a level of performance which
all passenger car tires must meet under the Federal Motor Vehicle
Safety Standard No. 109. Grades B and A represent higher levels
of performance on the laboratory test wheel than the minimum
required by law.
■Traction
■Temperature
1 Traction
Warning: The traction grade
assigned to this tire is based on
straight-ahead braking traction tests,
and does not include acceleration,
cornering, hydroplaning, or peak
traction characteristics.
1Temperature
Warning: The temperature grade for
this tire is establishe d for a tire that is
properly inflated and not
overloaded. Excessive speed,
underinflation, or excessive loading,
either separately or in combination,
can cause heat buildup and possible
tire failure.
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399
uuChecking and Maintaining Tires uTire and Wheel Replacement
Maintenance
Tire and Wheel Replacement
Replace your tires with radials of the same size, load range, speed rating, and
maximum cold tire pressure rating (as shown on the tire’s sidewall). Using tires of a
different size or construction can cause the ABS and vehicle stability assist (VSA ®)
and SH-AWD ® systems to work incorrectly.
It is best to replace all four tires at the same time.
If you replace a wheel, only use TPMS spec ified wheels approved for your vehicle.
Make sure that the wheel’s specifications match those of the original wheels.1 Tire and Wheel Replacement
3WARNING
Installing improper tires on your vehicle can
affect handling and stability. This can cause
a crash in which you can be seriously hurt or
killed.
Always use the size and type of tires
recommended in this owner’s manual.
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401
uuChecking and Maintaining Tires uWinter Tires
Maintenance
Winter Tires
If driving on snowy or frozen roads, mount all-season marked M+S tires, snow tires,
or tire chains; reduce speed; and maintain sufficient distance between vehicles when
driving.
Be particularly careful when operating the steering wheel or brakes to prevent skidding.
Use tire chains, snow tires, or all-season tires when necessary or according to the law.
When mounting, refer to the following points.
For winter tires:
• Mount the tires to all four wheels.
For tire chains:
• Install them on the rear tires only.
• Because your vehicle has limited tire clea rance, we strongly recommend using the
chains listed below:
*1:Tire chains to be used only on optional 295/30R20 (97V) winter tires.
*2:Tire chains to be used only on optional 305/30R20 (103W) XL winter tires.
• Follow the chain manufactur er’s instruction when installing. Mount them as
tightly as you can.
• Check that the chains do not touc h the brake lines or suspension.
• Drive slowly.
Recommended Winter Tires:
●Michelin Alpin PA4
Front: 245/35R19 (93W) XL
Rear: 295/30R20 (97V)
●Pirelli SottoZero 3
Front: 245/35R19 (93W) XL
Rear: 305/30R20 (103W) XL
●Auto-trac 232405*1
●K-Summit K-44*2
1 Winter Tires
NOTICE
Traction devices that are th e wrong size or improperly
installed can damage your vehicle’s brake lines,
suspension, body, and wheels. Stop driving if they are
hitting any part of the vehicle.
When tire chains are mounted, follow the chain
manufacturer’s instructi ons regarding vehicle
operational limits.
If your vehicle is equipped with summer tires, be
aware that these tires are not designed for winter
driving conditions. For more information, contact an
authorized Acura NSX dealer.
3WARNING
Using the wrong chains, or not properly
installing chains, can damage the brake
lines and cause a crash in which you can be
seriously injured or killed.
Follow all instruction s in this owner’s
manual regarding the selection and use of
tire chains.
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