Pontiac 2006 G6 Owner's Manual page 338

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4. Raise the jack to
the height shown
and lock the wrench
onto the jack.
An outline of the jack
showing the proper height
is printed on the insulation
in the bottom of the spare
tire well.
5. Place the jack in the spare tire well. Make sure the
stow bolt goes through the hole in the center of the
wrench on the jack, with the base of the jack
towards the front of the vehicle. The printed outline
on the insulation may be used as a placement
guide. Turn the jack retainer nut until it firmly
contacts the wrench. Do not over tighten.
6. Place the compact spare into the tire compartment
with the stow bolt going through the center hole of
the wheel.
7. Turn the spare tire retainer nut until it firmly
contacts the wheel. Do not over tighten.