Effects Of Incorrect Tire Inflation Pressure; Instructions For Checking Tire Inflation Pressure - Toyota 4RUNNER Owner's Manual

4-3. Do-it-yourself maintenance

Effects of incorrect tire inflation pressure

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Driving with incorrect tire inflation pressure may result in the following:
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
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If a tire needs frequent inflating, have it checked by your Toyota dealer.

Instructions for checking tire inflation pressure

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When checking tire inflation pressure, observe the following:
Check only when the tires are cold.
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If your vehicle has been parked for at least 3 hours or has not been
driven for more than 1 mile or 1.5 km, you will get an accurate cold
tire inflation pressure reading.
Always use a tire pressure gauge.
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The appearance of the tire can be misleading. In addition, tire infla-
tion pressure that is even just a few pounds off can affect ride quality
and handling.
Do not reduce tire inflation pressure after driving. It is normal for tire
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inflation pressure to be higher after driving.
Never exceed the vehicle capacity weight.
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Passengers and luggage weight should be placed so that the vehicle
is balanced.
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