User Manual - Page 269

For 2003 ALERO.

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Inflation
--
Tire Pressure
The Tire-Loading Information label, which
is
on the rear
edge of the driver’s door, shows the correct inflation
pressures for your tires when they’re cold. “Cold’’ means
your vehicle has been sitting for at least three hours
or driven no more than 1 mile (1.6 km).
Notice:
Don’t let anyone tell you that underinflation
or overinflation is all right.
It’s
not. If your tires
don’t have enough air (underinflation), you can get
the following:
Too much flexing
Too much heat
When
to
Check
Check your tires once a month or more.
Don’t forget your compact spare tire.
It
should be at
60 psi
(420 kPa).
How
to
Check
Use a good quality pocket-type gage to check tire
pressure. You can’t tell
if
your tires are properly inflated
simply by looking at them. Radial tires may look
properly inflated even when they’re underinflated.
Be sure to put the valve caps back on the valve stems.
They help prevent leaks by keeping out dirt and
moisture.
Tire overloading
Bad wear
Bad handling
Bad fuel economy
If your tires have too much air (overinflation), you
can get the following:
Unusual wear
Bad handling
0
Rough ride
Needless damage from road hazards
5-54
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