Hummer 2006 H2 Owner's Manual page 407

Jack A Tools
5. Turn the ratchet counterclockwise to loosen the
wheel nuts.
Jack B Tools
Or, turn the wheel wrench with the wheel wrench
extender (jack B) counterclockwise to loosen
the wheel nuts.
6. Remove the three wheel nuts holding the spare tire
onto the tire carrier.
7. Pull off and gently lower the spare tire to the
ground. Set it next to the flat tire.
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