Tire Changing - GMC 2012 Sierra Denali Owner's Manual

WARNING (Continued)
6. Place wheel blocks on both
sides of the tire at the
opposite corner of the tire
being changed.
When the vehicle has a flat tire (B),
use the following example as a
guide to assist in the placement of
the wheel blocks (A).
A. Wheel Block
B. Flat Tire
The following information explains
how to use the jack and change
a tire.

Tire Changing

Removing the Spare Tire and
Tools
A. Wing Nut Retaining the Wheel
Blocks
B. Wheel Blocks
C. Retaining Bolt
D. Jack
E. Jack Knob
F. Tool Kit and Jack Tools
G. Retaining Bracket and Wing Nut
Vehicle Care
The equipment needed to change a
flat tire is stored under the
passenger side second row seat.
The spare tire is located underneath
the vehicle.
1. Fold the second row seat
cushion up to access the jack
and tools.
2. Turn the jack knob (E)
counterclockwise to lower the
jack head slightly to release the
jack (D) from its holder.
3. Turn the wing nut retaining the
wheel blocks (A)
counterclockwise to remove the
wheel blocks (B) and the
retaining bolt (C).
4. Turn the wing nut (G), used to
retain the storage bag and tools,
counterclockwise . to remove it.
Use the jack handle extensions and
the wheel wrench to remove the
underbody-mounted spare tire.
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