Hummer 2006 H2 - Manual (Page 414)

2. Slide the ratchet onto the wheel wrench with the
DOWN mark facing you.
3. Turn the ratchet counterclockwise to loosen the
wheel nuts. Do not remove them yet.
You will now need to jack the vehicle up using the
following instructions.
4. Assemble the jack and tools as follows:
Front Flat Tire: Attach the jack handle with the
hook end connected to the u-hook/clevis on
the jack. Slide the ratchet onto the jack handle with
the UP mark facing you.
Rear Flat Tire: Assemble the jack together with the
jack handle and the jack handle extension. Press
with the UP mark facing you. The retention clip
on the jack handle extension (arrow) so it engages
into the jack handle. Slide the ratchet onto the
jack handle extension.
5. Turn the ratchet clockwise to raise the jack head to
the lifting point.
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