Hummer 2007 H3 Owner's Manual page 401

7. Remove any rust or
dirt from the wheel
bolts, mounting
surfaces and spare
wheel.
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.
8. Put the spare tire on the mounting surface.
9. Put the wheel nuts back on with the rounded
end of the nuts toward the wheel after
mounting the spare.
10. Tighten each wheel nut by hand. Then use
the wheel wrench to tighten the nuts until the
wheel is held against the hub.
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