Pontiac 2008 G5 Owner's Manual page 311

3. Remove the retainer (A) that holds down the jack,
wheel wrench (B) and spare tire (C).
4. Remove the spare tire by gently pulling it up and
out of the trunk.
The tools you will be using include the jack (A) and
wheel wrench (B).
You will need to turn the plastic wheel nut
counterclockwise to loosen the wheel wrench from
the jack.
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