GMC 2012 Sierra - Manual (Page 464)

Black plate (78,1) GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
10-78 Vehicle Care
A. Spare Tire (Valve Stem
Pointed Down)
B. Hoist Assembly
C. Hoist Cable
D. Tire/Wheel Retainer
E. Hoist Shaft
F. Hoist End of Extension Tool
G. Hoist Shaft Access Hole
H. Wheel Wrench
I. Jack Handle Extensions
J. Spare Tire Lock (If equipped)
1. Open the spare tire lock cover
on the bumper and use the
ignition key to remove the spare
tire lock (J). To remove the spare
tire lock, insert the ignition key
turn and pull straight out.
2. Assemble the wheel wrench (H)
and the two jack handle
extensions (I), as shown.
3. Insert the hoist end (open
end) (F) of the extension through
the hole (G) in the rear bumper.
Do not use the chiseled end of
the wheel wrench.
Be sure the hoist end of the
extension (F) connects to the
hoist shaft. The ribbed square
end of the extension is used to
lower the spare tire.
4. Turn the wheel wrench
counterclockwise to lower
the spare tire to the ground.
Continue to turn the wheel
wrench until the spare tire can
be pulled out from under the
vehicle.