Buick 2001 LeSabre Owner's Manual page 261

4. Unscrew the wing nuts to remove the container that
holds the wrench and jack.
5. Remove the wheel wrench, jack and the spare tire
from the trunk.
The tools you'll be using include the jack (A) and the
wheel wrench (B).
5-20
Removing Wheel Covers and Wheel
Nut Caps
1. If your vehicle has an aluminum wheel with a center
cover that hides the wheel nuts, remove the center
cover by using the flat end of the wheel wrench to
pry it off.
If your vehicle has a wheel cover, remove it by using
the flat end of the wheel wrench.
Pry along the edge of the wheel cover until it comes off.