Toyota Scion iQ EV, Owner'S Manual

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7-3. Do-it-yourself maintenance
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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 mile or 1.5 km, you will get an accurate cold tire
inflation pressure reading.
●
Always use a tire pressure gauge.
The appearance of the tire can be misleading. In addition, tire inflation
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
inflation pressure to be higher after driving.
●
Never exceed the vehicle capacity weight.
Passengers and luggage weight should be placed so that the vehicle is
balanced.
CAUTION
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Proper inflation is critical to save tire performance
Keep your tires properly inflated. Otherwise, the following conditions
may occur and result in an accident causing death or serious injury:
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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
NOTICE
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When inspecting and adjusting tire inflation pressure
Be sure to put the tire valve caps back on.
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 are lost,
replace them as soon as possible.