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6
6-3. Do-it-yourself maintenance
Maintenance and care
GX460_OM_OM60R28E_(GE)
Tire inflation pressure
■ 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
● 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 and 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.
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 generated
in the tire. Do not reduce tire inflation pressure after driving.
● Passengers and luggage weight should be placed so that the vehicle is balanced.
Make sure to maintain the proper tire inflation pressure. Tire inflation pres-
sure should be checked at least once per month. However, Lexus recom-
mends that tire inflation pressure be checked once every two weeks.
(P. 598)
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