Oldsmobile Bravada 2002, Owner'S Manual

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CAUTION:
Rust or dirt on a wheel, or on the parts to which
it is fastened, can make wheel nuts become loose
after a time. The wheel could come off and cause
an accident. When you change a wheel, remove
any rust or dirt from places where the wheel
attaches to the vehicle. In an emergency,
you can use a cloth or a paper towel to do this;
but be sure to use a scraper or wire brush later,
if you need to, to get all the rust or dirt off.
See “Changing a Flat Tire” in the Index.
When It’s Time for New Tires
One way to tell when it’s
time for new tires is to
check the treadwear
indicators, which will
appear when your tires have
only 1/16 inch (1.6 mm) or
less of tread remaining.
You need a new tire if any of the following statements
are true:
D You can see the indicators at three or more places
around the tire.
D You can see cord or fabric showing through the
tire’s rubber.
D The tread or sidewall is cracked, cut or snagged
deep enough to show cord or fabric.
D The tire has a bump, bulge or split.
D The tire has a puncture, cut or other damage that
can’t be repaired well because of the size or location
of the damage.