GMC 2006 Envoy Owner's Manual page 435

3. Turn the jack adjusting knob clockwise by hand to
raise the jack lift head.
4. Place the handle, extension and wheel wrench onto
the jack.
2. Using the wheel
wrench, loosen all the
wheel nuts. Do not
remove them yet.
Front Position
A. Front Frame/
Rear Axle
B. Jack
5. Place the jack in the appropriate position nearest
the flat tire.
CAUTION:
{
Getting under a vehicle when it is jacked up is
dangerous. If the vehicle slips off the jack you
could be badly injured or killed. Never get under
a vehicle when it is supported only by a jack.
Rear Position
C. Handle
D. Extension(s)
E. Wheel Wrench
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