Lexus IS250 U Owner's Manual page 433

Inspection and adjustment procedure
Tire valve
1
Tire pressure gauge
2
Remove the tire valve cap.
1
Press the tip of the tire pressure gauge onto the tire valve.
2
Read the pressure using the gauge gradations.
3
If the tire inflation pressure is not at the recommended level, adjust the pres-
4
sure.
If you add too much air, press the center of the valve to deflate.
After completing the tire inflation pressure measurement and adjustment,
5
apply soapy water to the valve and check for leakage.
Put the tire valve cap back on.
6
Tire inflation pressure check interval
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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 pressure
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Driving with incorrect tire inflation pressure may result in the following:
Reduced fuel economy
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Reduced driving comfort and poor handling
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Reduced tire life due to wear
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Reduced safety
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Damage to the drivetrain
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If a tire needs frequent inflating, have it checked by your Lexus dealer.
IS350/250_U (OM53C50U)
7-3. Do-it-yourself maintenance
433
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