2012 Acura TSX wheel size

212
uuBrakinguABS (Anti-lock Brake System)
Driving
ABS (Anti-lock Brake System)Helps prevent the wheels from locking up, and helps you retain steering control by
pumping the brakes rapidly, much faster than you.
The electronic brake distribution (EBD) system, which is part of the ABS, also
balances the front-to-rear braking distribution 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 pedal. This is sometimes referred to as
“stomp and steer.”■
ABS operation
The brake pedal may pulsate slightly when the ABS is working. 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.
When the vehicle speed goes under 6 mph (10 km/h), the ABS stops.
■
ABS
1ABS (Anti-lock Brake System)
NOTICEThe 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 the vehicle
checked by a dealer immediately.
The ABS does not reduce the time or distance it takes
to stop the vehicle. It only helps with steering control
during hard braking.
In the following cases, your vehicle may need more
stopping distance than a vehicle without the ABS:•When driving on rough road surfaces, including
when driving on uneven surfaces, such as gravel or
snow.•When tire chains are installed.
You may hear a motor sound coming from the
engine compartment while system checks are being
performed immediately after starting the engine or
while driving. This is normal.

259
Maintenance
Checking and Maintaining TiresChecking TiresTo 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 specification’s 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, including the spare. 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 a dealer check the wheel alignment.
•Excessive tread wear.
2Wear Indicators P. 264
•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 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 a 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
manual regarding tire inflation and
maintenance.

265
uuChecking and Maintaining TiresuTire and Wheel Replacement
Maintenance
Tire and Wheel ReplacementReplace 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 VSA® (vehicle stability assist)
system to work incorrectly.
It is best to replace all four tires at the same time. If that isn’t possible, replace the
front or rear tires in pairs.
Make sure that the wheel’s specifications match those of the original wheels.
If you replace a wheel, only use TPMS specified wheels approved for your vehicle.
1Tire 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 manual.

267
uuChecking and Maintaining TiresuWinter Tires
Maintenance
Winter TiresIf 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:
•Select the size and load ranges that are the same as the original tires.
•Mount the tires to all four wheels.
For tire chains:
•Install them on the front tires only.
•Because your vehicle has limited tire clearance, we strongly recommend using the
chains listed below:
•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.
Cable-type: SCC Radial Chain SC1034Cable-type: SCC Radial Chain SC1038
1Winter Tires
NOTICETraction 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.
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
manual regarding the selection and use of
tire chains.
4-cylinder models6-cylinder models

277
Continued
Handling the Unexpected
If a Tire Goes FlatChanging a Flat TireIf a tire goes flat while driving, grasp the steering wheel firmly, and brake gradually
to reduce speed. Then, stop in a safe place. Replace the flat tire with a compact
spare tire. Go to a dealer as soon as possible to have the full size tire repaired or
replaced.
1.Park the vehicle on firm, level, and non-slippery ground.
2.Put the shift lever in
(P
.
2.Put the shift lever in
(R
.
3.Set the parking brake.
4.Turn on the hazard warning lights and turn the ignition switch to LOCK
(0
.
1Changing a Flat Tire
Periodically check the tire pressure of the compact
spare. It should be set to the specified pressure.
Specified Pressure: 60 psi (420 kPa, 4.2 kgf/cm
2)
When driving with the compact spare tire, keep the
vehicle speed under 50 mph (80 km/h). Replace with
a full size tire as soon as possible.
The compact spare tire and wheel in your vehicle are
specifically for this model.
Do not use them with another vehicle.
Do not use another type of compact spare tire or
wheel with your vehicle.
Do not mount tire chains on a compact spare tire.
If a chain-mounted front tire goes flat, remove one of
the full-size rear tires and replace it with the compact
spare tire. Remove the flat front tire and replace it will
the full size tire that was removed from the rear.
Mount the tire chains on the front tire.
Do not use a puncture-repairing agent on a flat tire,
as it can damage the tire pressure sensor.
Automatic transmission modelsManual transmission modelsAll models

305
uuSpecificationsu
Continued
Information
■Brake/Clutch Fluid
■Transmission Fluid*1: Automatic transmission models
*2: Manual transmission modelsSpecified
Honda Heavy Duty Brake Fluid DOT 3
Specified
*1
Acura ATF DW-1
(automatic
transmission fluid)
2.6 US qt (2.5 ℓ)
(Change)
Specified
*2
Acura Manual
Transmission Fluid2.0 US qt (1.9 ℓ)
(Change)
■Engine Oil
■Engine Coolant*1: Automatic transmission models
*2: Manual transmission modelsRecommended
·Acura Genuine Motor Oil 0W-20
·API Premium-grade 0W-20 detergent oil
CapacityChange 4.0 US qt (3.8 ℓ)
Change
including
filter4.2 US qt (4.0 ℓ)
Specified
Honda Long-Life Antifreeze/Coolant Type2
Ratio 50/50 with distilled water
Capacity
*1
1.64 US gal (6.2 ℓ)
(change including the remaining
0.196 US gal (0.74 ℓ) in the reserve tank)
Capacity
*2
1.66 US gal (6.3 ℓ)
(change including the remaining
0.196 US gal (0.74 ℓ) in the reserve tank)
■TireRegular
Size
P225/50R17 93V
Pressure
psi (kPa [kgf/cm
2])
33 (230 [2.3])
Compact
SpareSize T135/80D16 101M
Pressure
psi (kPa [kgf/cm
2])60 (420 [4.2])
Wheel Size
Regular
17 x 7.5J
Compact Spare
16 x 4T

307
uuSpecificationsu
Information
■Brake/Clutch Fluid
■Transmission FluidSpecified
Honda Heavy Duty Brake Fluid DOT 3
Specified
Acura ATF DW-1
(automatic
transmission fluid)
3.5 US qt (3.3 ℓ)
(Change)
■Engine Oil
■Engine CoolantRecommended
·Acura Genuine Motor Oil 0W-20
·API Premium-grade 0W-20 detergent oil
CapacityChange 4.2 US qt (4.0 ℓ)
Change
including
filter4.5 US qt (4.3 ℓ)
Specified
Honda Long-Life Antifreeze/Coolant Type2
Ratio 50/50 with distilled water
Capacity
1.77 US gal (6.7 ℓ)
(change including the remaining
0.196 US gal (0.74 ℓ) in the reserve tank)
■TireRegular
Size
P235/45R18 94V
Pressure
psi (kPa [kgf/cm
2])
33 (230 [2.3])
Compact
SpareSize T135/80D16 101M
Pressure
psi (kPa [kgf/cm
2])60 (420 [4.2])
Wheel Size
Regular
18 x 8J
Compact Spare
16 x 4T