maint Acura TLX 2015 Repair Manual
Page 452 of 545
451
uuReplacing Light Bulbs uBrake/Taillight and Rear Side  Marker Light Bulbs
Maintenance
4.Turn the socket to the left and remove it. 
Remove the old bulb.
5. Insert a new bulb.
Brake/Taillight and Rear Side Marker Light BulbsBrake/taillight and rear side marker light bulbs are LED type. Have an authorized 
Acura dealer inspect and replace the light assembly.Brake/Taillight BulbsBrake/taillight bulbs are LED type. Have an authorized Acura dealer inspect and 
replace the light assembly.
BulbSocket 
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452
uuReplacing Light Bulbs uBack-Up Light Bulbs
Maintenance
Back-Up Light BulbsWhen replacing, use the following bulbs.
1.Remove the holding clip using a flat-tip 
screwdriver, then pull the lining back.
2. Turn the socket to the left and remove it, 
then remove the old bulb.
3. Insert a new bulb.Back-Up Light: 21 W
Clip
Socket
Bulb 
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453
uuReplacing Light Bulbs uRear License Plate Light Bulbs
Maintenance
Rear License Plate Light BulbsRear license plate light bulbs are LED type. Have an authorized Acura dealer inspect 
and replace the light assembly.High-Mount Brake Light BulbsHigh-mount brake light bulbs are LED type. Have an authorized Acura dealer inspect 
and replace the light assembly.Puddle Light Bulbs
*
Puddle light bulbs are LED type. Have an authorized Acura dealer inspect and 
replace the light assembly.* Not available on all models 
Page 455 of 545
454Maintenance
Checking and Maintaining Wiper BladesChecking Wiper BladesIf 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.Lift the driver side wiper arm first, then the 
passenger side.
2. Press and hold the tab, then slide the blade 
out from the wiper arm.
1Changing the Wiper Blade RubberNOTICEAvoid dropping the wiper arm; it may damage the 
windshield.
Tab 
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455
uuChecking and Maintaining Wiper Blades uChanging the Wiper Blade Rubber
Maintenance
3. Pull the end of the wiper blade to the 
direction of the arrow in the image until it 
unfastens from the holder’s end cap.
4. Pull the wiper blade to the opposite 
direction to slide it out from its holder.
5. Insert the flat side of the new wiper blade 
onto the bottom part of the holder. Insert 
the blade all the way.
6. Install the end of the wiper blade into the 
cap.
7. Slide the wiper blade onto the wiper arm 
until it locks.
8. Lower the passenger side wiper arm first, 
then the driver side.
Wiper 
Blade
End Cap at 
the bottomHolder
Cap Wiper 
Blade
Holder 
Page 457 of 545
456Maintenance
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 affec t 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. Re place 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.2 Wear Indicators  P. 461
•Cracks or other damage around valve stem.
1Checking Tires
Measure the air pressure when tires are cold. This 
means the vehicle has been par ked 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. 2 Tire Fill Assist  P. 392
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.
Measure the spare tire pressure once a month or 
before long trips.
3
WARNING
Using tires that are excessively worn or 
improperly inflated can cause a crash in 
which you can be seri ously hurt or killed.
Follow all instruc tions in this owner’s 
manual regarding tire inflation and 
maintenance.Vehicles with optional spare tire 
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457
uuChecking and Maintaining Tires uTire and Loading Information Label
Continued
Maintenance
Tire and Loading Information LabelThe 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.
1 Tire and Loading Information Label
The tire and loading information label attached to the 
driver’s doorjamb contains:aThe number of people your vehicle can carry.bThe total weight your vehicle can carry. Do not 
exceed this weight.cThe original tire sizes for front, rear, and spare, if 
equipped.dThe proper cold tire pressure for front, rear, and 
spare, if equipped.
Label 
ExampleExample
Tire Size
Tire 
Identification 
Number (TIN)
Maximum 
Tire Load
Maximum 
Tire Pressure
Tire Size■
Tire Sizes
1 Tire Sizes
Following is an example of tire size with an 
explanation of what each component means.
225/50R18 95H
225: Tire width in millimeters.
50: Aspect ratio (the tire’s section height as a 
percentage of its width).
R: Tire construction code (R indicates radial).
18: Rim diameter in inches.
95: Load index (a numerical code associated with the 
maximum load the tire can carry).
H: Speed symbol (an alphabetical code indicating the 
maximum speed rating). 
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uuChecking and Maintaining Tires uTire Labeling
458Maintenance
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
1 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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459
uuChecking and Maintaining Tires uDOT Tire Quality Grading (U.S. Vehicles)
Continued
Maintenance
DOT Tire Quality Grading (U.S. Vehicles)The tires on your ve hicle 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. Th e 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
1 Uniform Tire Quality GradingFor example:
Treadwear 200
Traction AA
Temperature A
All passenger car tires must conform 
to Federal Safety Requirements in 
addition to these grades. 
Page 461 of 545
uuChecking and Maintaining Tires uDOT Tire Quality Grading (U.S. Vehicles)
460Maintenance
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 contro lled 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
1 TractionWarning: 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.1TemperatureWarning: 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.