Buick 2007 Terraza Owner's Manual page 479

CAUTION:
{
Never use oil or grease on studs or nuts.
If you do, the nuts might come loose.
Your wheel could fall off, causing a
serious accident.
7. Remove any rust or
dirt from the wheel
bolts, mounting
surfaces and spare
wheel.
Tighten each nut by hand until the wheel is
held against the hub.
8. Install the compact
spare tire and put
the wheel nuts back
on with the
rounded end of the
nuts toward the
wheel.
479