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6-3. Do-it-yourself maintenance
Tire inflation pressure
Checking the specified tire infla-
tion pressure
The recommended cold tire inflation
pressure and tire size are displayed on
the tire and loading information label.
(P.379)
Inspection and adjustment pro-
cedure
Tire valve
A
Tire pressure gauge
B
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-