Buick LaCrosse Owner's Manual page 343

6. Turn the jack handle clockwise
to raise the vehicle far enough
off the ground for the compact
spare to fit under the vehicle.
7. Remove all of the wheel nuts.
8. Remove the flat tire.
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
changing a wheel, remove any
rust or dirt from places where the
wheel attaches to the vehicle. In
an emergency, a cloth or a paper
towel can be used; however, use
a scraper or wire brush later to
remove all rust or dirt.
9. Remove any rust or dirt from the
wheel bolts, mounting surfaces,
and spare wheel.
10. Install the compact spare tire.
(Continued)