maintenance ACURA NSX 2022 Repair Manual

413
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 ce rtain vehicle systems such as the ABS and
Vehicle Stability Assist
TM (VSA ®) system 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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414
uuChecking and Maintaining Tires uTire Rotation
Maintenance
Tire Rotation
The front and rear tire sizes are different.
The front and rear tire sizes are diffe rent and they are directional tires.
Due to tire sizes or directional tires, the tires on this vehicle cannot be rotated.
1 Tire Rotation
Directional tires should be mounted with the rotation
indication mark facing forward, as shown below.
Front
Direction Mark
Models without directional tires
Models with directional tires
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415
uuChecking and Maintaining Tires uWinter Tires
Maintenance
Winter Tires
If driving on snowy or frozen roads, mount all-season marked M+S tires or snow
tires; reduce speed; and main tain sufficient distance between vehicles when driving.
Be particularly careful wh en operating the steering wheel or brakes to prevent
skidding.
Use 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.
Recommended Winter Tires:
•Michelin Alpin PA4
Front: 245/35R19 (93W)
Rear: 295/30R20 (97V)
• Pirelli SottoZero 3
Front: 245/35R19 (93W)
Rear: 305/30R20 (103W)
1 Winter Tires
If your vehicle is equipp ed with summer tires, be
aware that these tires are not designed for winter
driving conditions. For more information, contact an
authorized Acura NSX dealer.
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416
uuChecking and Maintaining Tires uCold Weather Driving
Maintenance
Cold Weather Driving
Summer Only tires are very sensitive to am bient temperatures and are designed to
be used at temperatures above 45°F (7°C). If the vehicle is operated with Summer
Only tires at temperatures below 45°F (7°C), the tires will provide decreasing
amounts of grip and other performance attributes. 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.1 Cold Weather Driving
3WARNING
Use of Summer Only tires at temperatures
below 45°F (7°C) may lead to a loss of
performance and control, which could
result in a crash, se rious injury or death.
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417
Maintenance
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. 108
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, cl ean the battery terminals
by applying a baking powder and water solution.
Clean the 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.
Consult an authorized Acura NSX dealer for more
information.
3WARNING
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 prot ective clothing and
a face shield, or have a skilled technician do
it.
Tab
Cover
Terminal
Cover
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418
Maintenance
Remote Transmitter Care
Replacing the Remote 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.
u Wrap a coin with a cloth to prevent
scratching the keyle ss access remote.
u Remove carefully to avoid losing the
buttons.
3. Make sure to replace the battery with the
correct polarity.1 Replacing the Remote Battery
NOTICE
An improperly disposed of battery can damage the
environment. Always conf irm local regulations for
battery disposalM
Replacement batteries are commercially available or
at an authorized Acura NSX dealer.
3WARNING
CHEMICAL BURN HAZARD
The battery that powers the remote
transmitter can cause severe internal burns
and can even lead to death if swallowed.
Keep new and used batteries away from
children.
If you suspect that a child has swallowed
the battery, seek medical attention
immediately.
Battery type: CR2032
Battery
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419
Maintenance
Climate Control System Maintenance
Air Conditioning
To ensure proper and safe operation, the Society of Automotive Engineers (SAE
J2845) recommends that the refrigerant system only be serviced by trained and
certified technicians.
Never repair or replace the air conditio ning evaporator (cooling coil) with one
removed from a used or salvaged vehicle.
New replacement mobile air conditioning evaporators must be certified (and
labeled) as meeting SAE Standard J2842.
Dust and Pollen Filters
The climate control system is equipped wi th dust and pollen filters that collect
pollen, dust, and other debris in the air. The Maintenance MinderTM messages will let
you know when to replace the filters.
We recommend that you replace the dust an d pollen filters sooner when using your
vehicle in areas with high concentrations of dust.
1 Air Conditioning
NOTICE
Vented refrigerant is harmful to the environmentM
To avoid refrigerant from venting, never replace the
evaporator with one re moved from a used or
salvaged vehicleM
Refrigerant in your vehicle

420
Maintenance
Cleaning
Interior Care
Use a damp cloth with a mixture of mild detergent and warm water to remove dirt.
Use a clean cloth to remove detergent residue.
Use a soft brush with a mixture of mild soap and warm water to clean the seat belts.
Let the belts air dry.
Wipe using a glass cleaner.
■Cleaning Seat Belts
■Cleaning the Window
1 Interior Care
Do not spill liquids inside the vehicle. Electrical
devices and systems may ma lfunction if liquids are
splashed on them.
Do not use silicone based sprays on electrical devices
such as audio devices and switches. Doing so may
cause the items to malfunction or cause a fire inside
the vehicle.
If a silicone based spray is inadvertently used on
electrical devices, consul t an authorized Acura NSX
dealer.
Depending on their compos ition, chemicals and
liquid aromatics may cause discoloration, wrinkles,
and cracking to resin-ba sed parts and textiles.
Do not use alkali solvents or organic solvents such as
benzene or gasoline.
After using chemicals, make su re to gently wipe them
away using a dry cloth.
Do not place used cloths on top of resin based parts
or textiles for long periods of time without washing.
1Cleaning the Window
Wires are mounted to the in side of the hatch glass.
Wipe along the same direct ion as the wires with a
soft cloth so as not to damage them.
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421
uuCleaning uInterior Care
Maintenance
The floor mats hook over the floor anchors,
which keep the mats from sliding forward. To
remove the mats for cleaning, turn the anchor
knobs to the unlock position. When
reinstalling the mats after cleaning, turn the
knobs to the lock position.
Do not put additional floor mats on top of
the anchored mat.
To properly clean leather:
1. Use a vacuum or soft dry cloth first to remove any dirt or dust.
2. Clean the leather with a soft cloth dampen ed with a solution comprised of 90%
water and 10% neutral soap.
3. Wipe away any soap residu e with a clean damp cloth.
4. Wipe away residual water and allo w leather to air dry in the shade.
Do not use abrasive cleaners.
■Floor Mats1 Floor Mats
If you use any floor mats that were not originally
provided with your vehicle, make sure they are
designed for your specific ve hicle, fit correctly, and
are securely anchored by the floor anchors.
Unlock
Lock
■Maintaining Genuine Leather
■Carbon Fiber Meter Visor and Steering Wheel
1 Maintaining Genuine Leather
It is important to clean or wipe away dirt or dust as
soon as possible. Spills can soak into leather resulting
in stains. Dirt or dust ca n cause abrasions in the
leather. In addition, pl ease note that some dark
colored clothing can rub onto the leather seats
resulting in discol oration or stains.
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422
uuCleaning uExterior Care
Maintenance
Exterior Care
Dust off the vehicle body after you drive. Regularly inspect your vehicle for scratches
on painted surfaces. A scratch on a painted surface can result in body rust. If you
find a scratch, promptly repair it.
Wash the vehicle regularly. Wash more frequently when driving in the following
conditions:
• If driving on roads with road salt.
• If driving in coastal areas.
• If tar, soot, bird droppings, insects, or tree sap are stuck to painted surfaces.
■Washing the Vehicle
1Washing the Vehicle
Do not spray water into the air intake vents. It can
cause a malfunction.
Do not spray water onto the capless unit when the
fuel fill door is open. It ca n cause damage to the fuel
system or engine.
If you need to lift the wiper arms away from the
windshield, first set the wiper arms to the
maintenance position. 2 Changing the Wiper Blade Rubber P. 404
To maintain and protect the matte finish:
•Do not use abrasive materi als, polishing agents, or
wax on the paint surface.
•Do not put the vehicle through an automated car
wash. Instead, hand wash the body using a mild
detergent and a soft sponge or a micro fiber cloth.
Apply light pressure.
•Do not forcefully remove contaminants such as bug
splatter and bird droppings: Saturate the area with
water.
•Wash the car in the shade and wipe the paint dry
so that water spots do not form.
Air Intake Vents
Vehicles with matte finishes
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