Toyota Automobile Owner's Manual page 552

CAUTION
Proper inflation is critical to save tire performance
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Keep your tires properly inflated.
Otherwise, the following conditions may occur and result in an accident
causing death or serious injury.
Excessive wear
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Uneven wear
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Poor handling
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Possibility of blowouts resulting from overheated tires
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Poor sealing of the tire bead
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Wheel deformation and/or tire separation
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A greater possibility of tire damage from road hazards
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NOTICE
When inspecting and adjusting tire inflation pressure
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Be sure to reinstall the tire valve caps.
Without the valve caps, dirt or moisture could get into the valve and
cause air leakage, which could result in an accident. If the caps have
been lost, replace them as soon as possible.
4-3. Do-it-yourself maintenance
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