Cadillac 2004 DeVille Owner's Manual page 365

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.
9. Place the compact
spare tire on the
wheel-mounting
surface.
10. Put the wheel nuts back
on with the rounded
end of the nuts toward
the wheel. Tighten each
nut by hand until the
wheel is held against
the hub.
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