Acura NSX (2017 year). Instruction — part 25

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Replacing Light Bulbs

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Rear License Plate Lights

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Rear License Plate Lights

Rear license plate lights are LED type. Have an authorized Acura NSX dealer inspect
and replace the light assembly.

High-Mount Brake Light

High-mount brake light is LED type. Have an authorized Acura NSX dealer inspect
and replace the light assembly.

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Checking and Maintaining Wiper Blades

Checking Wiper Blades

If the wiper blade rubber has deteriorated, it will leave streaks and the hard surfaces
of the blade may scratch the window glass.

Changing the Wiper Blade Rubber

1. While holding the wiper switch in MIST

position, change the power mode to
VEHICLE OFF (LOCK).

2. Wiper arms will move into service position.

3. Lift both wiper arms.

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Changing the Wiper Blade Rubber

NOTICE

Avoid dropping the wiper arm onto the windshield, it
may damage the wiper arm and/or the windshield.

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Checking and Maintaining Wiper Blades

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Changing the Wiper Blade Rubber

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4. Press and hold the tab, then slide the

holder off the wiper arm.

5. Pull the end of the wiper blade in the

direction of the arrow in the image until it
is out of the holder’s end cap.

6. Pull the wiper blade in the opposite

direction to slide it out of its holder.

Tab

Wiper
Blade

End Cap at
the bottom

Holder

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Checking and Maintaining Wiper Blades

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Changing the Wiper Blade Rubber

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7. Insert the flat side of the new wiper blade

onto the bottom part of the holder. Insert
the blade all the way.

8. Install the end of the wiper blade into the

cap.

9. Slide the wiper blade onto the wiper arm

until it locks.

10. Lower both wiper arms.
11. Set the power mode to ON and hold the

wiper switch in the MIST position until
both wiper arms return to the standard
position.

Cap

Wiper
Blade

Holder

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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 label or specifications page for the specified
pressure.

Underinflated tires wear unevenly, adversely affect handling and fuel economy, and
are more likely to fail from overheating.

Overinflated tires make your vehicle ride harshly, 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.

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Checking 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 release 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 vibration while driving. New
tires and any that have been removed and reinstalled
should be properly balanced.

3

WARNING

Using tires that are excessively worn or
improperly inflated can cause a crash in
which you can be seriously hurt or killed.

Follow all instructions in this owner’s
instruction regarding tire inflation and
maintenance.

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Checking and Maintaining Tires

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Tire and Loading Information Label

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Tire and Loading Information Label

The label attached to the driver’s doorjamb provides necessary tire and loading
information.

Tire Labeling

The tires that came on your vehicle have a
number of markings. Those you should be
aware of are described below.

Whenever tires are replaced, they should be replaced with tires of the same size,
load index and speed rating.

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Tire and Loading Information Label

The tire and loading information label attached to the
driver’s doorjamb contains:

a

The number of people your vehicle can carry.

b

The total weight your vehicle can carry. Do not
exceed this weight.

c

The original tire sizes for front, rear, and spare, if
equipped.

d

The proper cold tire pressure for front, rear, and
spare, if equipped.

Label
Example

Example

Tire Size

Tire
Identification
Number (TIN)

Maximum
Tire Load

Maximum
Tire Pressure

Tire Size

■

Tire Sizes

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Tire Sizes

Following is an example of tire size with an
explanation of what each component means.
245/40R19 98W
245: Tire width in millimeters.
40: Aspect ratio (the tire’s section height as a
percentage of its width).
R: Tire construction code (R indicates radial).
19: Rim diameter in inches.
98: Load index (a numerical code associated with the
maximum load the tire can carry).
W: Speed symbol (an alphabetical code indicating the
maximum speed rating).

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Checking and Maintaining Tires

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Tire Labeling

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The tire identification number (TIN) is a group of numbers and letters that look like
the example in the side column. TIN is located on the sidewall of the tire.

Cold Tire Pressure – The tire air pressure when the vehicle has been parked for at
least three hours or driven less than 1 mile (1.6 km).
Load Rating – Means the maximum load that a tire is rated to carry for a given
inflation pressure.
Maximum Inflation Pressure – The maximum tire air pressure that the tire can
hold.
Maximum Load Rating – Means the load rating for a tire at the maximum
permissible inflation pressure for that tire.
Recommended Inflation Pressure – The cold tire inflation pressure recommended
by the manufacturer.
Treadwear Indicators (TWI) – Means the projections within the principal grooves
designed to give a visual indication of the degrees of wear of the tread.

■

Tire Identification Number (TIN)

■

Glossary of Tire Terminology

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Tire Identification Number (TIN)

DOT B97R FW6X 2209
DOT: This indicates that the tire meets all
requirements of the U.S. Department of
Transportation.
B97R: Manufacturer’s identification mark.
FW6X: Tire type code.
22 09: Date of manufacture.

Year
Week

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Checking and Maintaining Tires

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DOT Tire Quality Grading (U.S. Vehicles)

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DOT Tire Quality Grading (U.S. Vehicles)

The tires on your vehicle meet all U.S. Federal Safety
Requirements. All tires are also graded for treadwear, traction,
and temperature performance according to Department of
Transportation (DOT) standards. The following explains these
gradings.

Quality grades can be found where applicable on the tire sidewall
between tread shoulder and maximum section width.

The treadwear grade is a comparative rating based on the wear
rate of the tire when tested under controlled conditions on a
specified government test course. For example, a tire graded 150
would wear one and one-half (1 1/2) times as well on the
government course as a tire graded 100. The relative performance
of tires depends upon the actual conditions of their use, however,
and may depart significantly from the norm due to variations in
driving habits, service practices and differences in road
characteristics and climate.

■

Uniform Tire Quality Grading

■

Treadwear

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Uniform Tire Quality Grading

For example:
Treadwear 200
Traction AA
Temperature A

All passenger car tires must conform
to Federal Safety Requirements in
addition to these grades.

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Checking and Maintaining Tires

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DOT Tire Quality Grading (U.S. Vehicles)

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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 asphalt 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 tested 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 excessive 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

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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.

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Temperature

Warning: The temperature grade for
this tire is established 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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Checking and Maintaining Tires

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Wear Indicators

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Wear Indicators

The groove where the wear indicator is
located is 1/16 inch (1.6 mm) shallower than
elsewhere on the tire. If the tread has worn so
that the indicator is exposed, replace the tire.
Worn out tires have poor traction on wet
roads.

Tire Service Life

The life of your tires is dependent on many factors, including driving habits, road
conditions, vehicle loading, inflation pressure, maintenance history, speed, and
environmental conditions (even when the tires are not in use).

In addition to regular inspections and inflation pressure maintenance, it is
recommended that you have annual inspections performed once the tires reach five
years old. All tires should be removed from service after 10 years from the date of
manufacture, regardless of their condition or state of wear.

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Checking Tires

High speed driving
We recommend that you do not drive on public roads
faster than the posted speed limits and conditions
allow. If you intend to drive at sustained high speeds
(over 168 mph or 270 km/h), such as at a track or
other closed course venue, adjust the cold tire
pressures as shown below to avoid excessive heat
build up and sudden tire failure.

Tire Size

Front:
245/35ZR19 (93Y)
Rear:
305/30ZR20 (103Y)

Pressure

Front:
38 psi (260 kPa, 2.6 kgf/cm

2

)

Rear:
38 psi (260 kPa, 2.6 kgf/cm

2

)

Example of a Wear
Indicator mark

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Checking and Maintaining Tires

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Tire and Wheel Replacement

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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 specified wheels approved for your vehicle.
Make sure that the wheel’s specifications match those of the original wheels.

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Tire and Wheel Replacement

3

WARNING

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 instruction.

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Checking and Maintaining Tires

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Tire Rotation

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Tire Rotation

The front and rear tire sizes are different and they are directional tires.

Due to tire sizes and directional tires, the tires on this vehicle cannot be rotated.

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Tire Rotation

Directional tires should be mounted with the rotation
indication mark facing forward, as shown below.

FRONT

Direction Mark

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Winter Tires

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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 clearance, 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 manufacturer’s instruction when installing. Mount them as

tightly as you can.

• Check that the chains do not touch 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

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Winter Tires

NOTICE

Traction devices that are the 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 instructions 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.

3

WARNING

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 instructions in this owner’s
instruction regarding the selection and use of
tire chains.

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Cold Weather Driving

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Cold Weather Driving

Summer Only tires and Ultra High Performance (UHP) tires are very sensitive to
ambient temperatures and are designed to be used at temperatures above 45°F
(7°C). If the vehicle is operated with Summer Only tires or UHP tires at temperatures
below 45°F (7°C), the tires will provide decreasing amounts of grip and other
performance attributes. If the vehicle is operated with Summer Only tires or UHP
tires at temperatures below -4°F (-20°C), the tire tread may lose their elasticity and
become brittle, resulting in permanent damage to the tread. A damaged tire may
fail during use. Therefore, if you operate the vehicle when ambient temperatures are
below 45°F (7°C), we recommend that you install other tires (e.g., mud+snow,
winter) that are designed to provide appropriate performance attributes under the
anticipated conditions.

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Cold Weather Driving

3

WARNING

Use of Summer Only tires or Ultra High
Performance tires at temperatures below
45°F (7°C) may lead to a loss of
performance and control, which could
result in a crash, serious injury or death.

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12-Volt Battery

Checking the 12-Volt Battery

Check the battery terminals for corrosion
monthly.

The battery is protected by a cover.
Remove the cover by pressing the tabs.

Slide the terminal cover on your vehicle’s 12-
volt battery positive + terminal.

The battery condition is monitored by the
sensor on the negative terminal. If there is a
problem with the sensor, the warning
message on the driver information interface
will let you know. Have your vehicle checked
by an authorized Acura NSX dealer.

If your vehicle’s battery is disconnected or goes dead:
• The audio system is disabled.

2 Reactivating the audio system P. 164

• The clock resets.

2 Clock P. 104

• The navigation system

*

is disabled.

2 Refer to the Navigation System Instruction

Charging the AGM Battery

AGM labeled batteries can be damaged if improperly charged. For more information
on how to charge an AGM battery, consult an authorized Acura NSX dealer.

1

12-Volt Battery

WARNING: Battery post, terminals,
and related accessories contain lead
and lead compounds.
Wash your hands after handling.

When you find corrosion, clean the battery terminals
by applying a baking powder and water solution.
Clean terminals with a damp towel. Cloth/towel dry
the battery. Coat the terminals with grease to help
prevent future corrosion.

When replacing the battery, the replacement must be
of the same specifications.
Please consult an authorized Acura NSX dealer for
more information.

3

WARNING

The battery gives off explosive hydrogen
gas during normal operation.

A spark or flame can cause the battery to
explode with enough force to kill or
seriously hurt you.

When conducting any battery maintenance,
wear protective clothing and a face shield,
or have a skilled technician do it.

Tab

Cover

Terminal
Cover

* Not available on all models

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Remote Transmitter Care

Replacing the Button Battery

If the indicator does not come on when the button is pressed, replace the battery.

1. Remove the built-in key.

2. Remove the upper half of the cover by

carefully prying on the edge with a coin.

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Remove carefully to avoid losing the
buttons.

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Wrap a coin with a cloth to prevent
scratching the keyless access remote.

3. Make sure to replace the battery with the

correct polarity.

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Replacing the Button Battery

NOTICE

An improperly disposed of battery can damage the
environment. Always confirm local regulations for
battery disposal.

Replacement batteries are commercially available or
at an authorized Acura NSX dealer.

Battery type: CR2032

Battery

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