Inspection And Adjustment Procedure (Tires); Tire Inflation Pressure Check Interval; Effects Of Incorrect Tire Inflation Pressure - Lexus RX 450H Owner's Manual

Inspection and adjustment procedure
Tire valve
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Tire pressure gauge
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Remove the tire valve cap.
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Press the tip of the tire pressure gauge onto the tire valve.
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Read the pressure using the gauge gradations.
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If the tire inflation pressure is not at the recommended level, adjust the pres-
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sure.
If you add too much air, press the center of the valve to deflate.
After completing the tire inflation pressure measurement and adjustment,
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apply soapy water to the valve and check for leakage.
Put the tire valve cap back on.
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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 drive train
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If a tire needs frequent inflating, have it checked by your Lexus dealer.
RX450h_U_OM0E023U
6-3. Do-it-yourself maintenance
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