Pontiac 2008 Grand Prix Owner's Manual page 375

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.
10. Reinstall the wheel
nuts with the rounded
end of the nuts toward
the wheel. Tighten each
nut by hand until the
wheel is held against
the hub.
11. Lower the vehicle by turning the jack handle
counterclockwise. Lower the jack completely.
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