Chevrolet TrailBlazer 2007 Owner's Manual page 479

CAUTION:
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Rust or dirt on the wheel, or on the parts
to which it is fastened, can make the
wheel nuts become loose after time.
The wheel could come off and cause an
accident. When you change a wheel,
remove any rust or dirt from the places
where the wheel attaches to the vehicle.
CAUTION: (Continued)
6. Remove all the
wheel nuts and take
off the flat tire.
CAUTION: (Continued)
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 needed,
to get all the rust or dirt off.
8. Place the spare tire on the wheel-mounting
surface.
7. Remove any rust
or dirt from the
wheel bolts,
mounting surfaces
and spare wheel.
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