GMC 2015 Yukon XL Denali Owner's Manual page 363

10-72 Vehicle Care
4. Insert the open end of the
extension (7) through the hole in
the rear bumper (8) (hoist shaft
access hole).
5. Raise the tire part way upward.
Make sure the retainer is seated
in the wheel opening.
6. Raise the tire fully against the
underside of the vehicle by
turning the wheel wrench
clockwise until you hear two
clicks or feel it skip twice. The
cable cannot be overtightened.
7. Make sure the tire is stored
securely. Push, pull, and then try
to turn the tire. If the tire moves,
use the wheel wrench to tighten
the cable.
8. Reinstall the spare tire lock.
9. Reinstall the hoist shaft access
cover.
If equipped, reinstall the hitch
cover and turn the retainers
clockwise.
To store the tools, do the following:
1. Return the tools (wheel wrench,
jack handle, and jack handle
extensions) to the tool bag.
2. Assemble wheel blocks and jack
together with the wing nut.
3. Position the jack and wheel
blocks in the driver side trim
panel over the wheelhouse.
4. Turn the jack knob clockwise
until the jack is secured tight in
the mounting bracket. Be sure to
position the holes in the base of
the jack onto the pin in the
mounting bracket.
5. Use the retaining bracket to
fasten the tool bag on the stud
and turn the wing nut clockwise
to secure.
6. Close the trim panel door.