Saab 9-7x Owner's Manual page 346

CAUTION:
{
Rust or dirt on a wheel, or on the parts to
which it is fastened, can make 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
places where the wheel attaches to the vehicle.
5-92
8. Remove all the wheel
nuts and the flat tire.
CAUTION: (Continued)
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. See Changing a Flat Tire on
page 5-86.
10. Place the spare tire on the wheel-mounting surface.
9. Remove any rust or dirt
from the wheel bolts,
mounting surfaces
and spare wheel.