Pontiac 2006 G6 - Manual (Page 349)

9. Remove any rust or dirt
from the wheel bolts,
mounting surfaces
and spare wheel.
10. Install the compact spare tire.
{ 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.
11. 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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