Pontiac 1993 Grand Am Owner's Manual page 233

Service & Appearance Care
nres
We don't make tires. Your new vehicle comes with high quality tires made by a
leading tire manufacturer. These tires are warranted by the tire manufacturers and
their warranties are delivered with every new Fbntiac. If your spare tire is a
different brand than your road tires, you will have a tire warranty folder from each
of these manufacturers.
Poorly maintained and improperly used tires
dangerous.
a
Overloading your tires
can causy overheating
a s a
result of too much
friction. You could have an air-out and
a
serious accident. See the Index
under Loading Your Ehicle.
Underinflated tires pose the same danger as overloaded tires. The resulting
accident could cause serious injury. Check
all
tires fiquently t o
maintain
the
recommended presswe. Tire pressure should be checked when your
tires are cold.
Overinflated tires are more likely t o be cut, punctured, or broken by
a
sudden impacts such as when you hit a pothole. Keep tires at
the
recommended pressure.
tires have
been damaged, replace them.
m
Worn, old tires can cause accidents. If your tread is badly worn, or if your
I
I
lnflation-Tire Pressure
The Tire-Loading Information label
which is on the rear edge of the driver't.
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 a mile.