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6-3. Do-it-yourself maintenance
Tire inflation pressure
Make sure to maintain proper tire inflation pressure. Tire inflation pres-
sure should be checked at least once per month. However, Lexus rec-
ommends that tire inflation pressure be checked once every two
weeks. (P. 660, 662)
Effects of incorrect tire inflation pressure
■
Driving with incorrect tire inflation pressure may result in the following:
Reduced fuel economy
●
Reduced driving comfort and poor handling
●
Reduced tire life due to wear
●
Reduced safety
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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 1.5 km or 1 mile, you will get an accurate cold tire inflation pressure reading.
Always use a tire pressure gauge.
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It is difficult to judge if a tire is properly inflated based only on its appearance.
It is normal for the tire inflation pressure to be higher after driving as heat is gener-
●
ated in the tire. Do not reduce tire inflation pressure after driving.
Passengers and luggage weight should be placed so that the vehicle is balanced.
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