Pontiac 2008 G6 - Manual (Page 330)

11. Install the compact spare tire.
12. 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.
{ CAUTION:
Never use oil or grease on studs or nuts.
Because the nuts might come loose. The
vehicle’s wheel could fall off, causing a crash.
13. Lower the vehicle by turning the wheel wrench
counterclockwise. Lower the jack completely.
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