2012 Lexus LS 600h Owners Manual - Page 462

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4-3. Do-it-yourself maintenance

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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.

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Effects of incorrect tire inflation pressure

Driving with incorrect tire inflation pressure may result in the following:

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Reduced fuel efficiency

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Reduced driving comfort and tire life

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Reduced safety

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Damage to the drive train

If a tire needs frequent refilling, have it checked by your Lexus dealer.

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Inspection and adjustment procedure

Tire valve

Tire pressure gauge

Remove the tire valve cap.

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

Read the pressure using the graduations of the gauge.

If the tire inflation pressure is not within the recommended lev-

els, adjust tire pressure.

If you add too much air, press the center of the valve to lower.

After completing the tire inflation pressure measurement and

adjustment, apply soapy water to the valve and check for leak-

age.

Reinstall the tire valve cap.

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