Hummer 2004 H2 Owner's Manual page 402

Tighten each wheel nut by hand. Then use the
ratchet/wheel wrench to tighten the nuts, with the
UP mark facing you, clockwise until the wheel
is held against the hub. You will not be tightening
the nuts fully yet.
5-88
9. After mounting the
spare, put the wheel
nuts back on with
the rounded end of the
nuts toward the
wheel.
Front Position
10. Lower the vehicle by turning the ratchet
counterclockwise, with the DOWN mark facing you.
Lower the jack completely.
Rear Position