GMC 2012 Canyon Owner's Manual page 317

If the spare tire does not lower to
the ground, the secondary latch
is engaged causing the tire not
to lower. See
4. Tilt the retainer when the tire has
been lowered, and slide it up the
cable so it can be pulled up
through the wheel opening.
5. Put the spare tire near the
flat tire.
Use the following pictures and
instructions to remove the flat tire
.
and raise the vehicle.
A. Jack Handle Extensions
B. Jack
C. Jack Handle
D. Wheel Wrench
E. Wheel Blocks
1. Do a safety check before
proceeding. See
for more
information.
2. Remove the center cap by
placing the chisel end of the
wheel wrench into one of the
slots on the wheel and gently
prying the cap out.