Tire inflation pressure- Page 304

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6-3. Do-it-yourself maintenance

The recommended cold tire inflation 
pressure and tire size are displayed on 
the tire and loading information label. 
(



P.372)

Tire valve
Tire pressure gauge

1

Remove the tire valve cap.

2

Press the tip of the tire pressure 
gauge onto the tire valve.

3

Read the pressure using the gauge 
gradations.

4

If the tire inflation pressure is not at 
the recommended level, adjust the 
pressure.
If you add too much air, press the 
center of the valve to deflate.

5

After completing the tire inflation 
pressure measurement and adjust-
ment, apply soapy water to the 
valve and check for leakage.

6

Put the tire valve cap back on.

■

Tire inflation pressure check interval

You should check tire inflation pressure 

every two weeks, or at least once a month. 

Do not forget to check the spare.

■

Effects of incorrect tire inflation pres-

sure

Driving with incorrect tire inflation pressure 

may result in the following:

●

Reduced fuel economy

●

Reduced driving comfort and poor han-

dling

●

Reduced tire life due to wear

●

Reduced safety

●

Damage to the drive train

If a tire needs frequent inflating, have it 

checked by your Lexus dealer.

■

Instructions for checking tire inflation 

pressure

When checking tire inflation pressure, 

observe the following:

●

Check only when the tires are cold.

If your vehicle has been parked for at 

least 3 hours or has not been driven for 

more than 1 mile or 1.5 km, you will get an 

accurate cold tire inflation pressure read-

Tire inflation pressure

Checking the specified tire infla-
tion pressure

Inspection and adjustment pro-
cedure

A
B