GMC Yukon XL Denali Owner's Manual page 385

7. Use the wheel wrench hook that
allows you to pull the hoist cable
towards you, to assist in
reaching the spare tire.
8. Tilt the tire toward the vehicle
with some slack in the cable to
access the tire/wheel retainer.
Separate the retainer from the
guide pin by sliding the retainer
up the pin while pressing down
on the latch.
Vehicle Care
Once the retainer is separated
from the guide pin, tilt the
retainer and pull it through the
center of the wheel along with
the cable and latch.
9. Put the spare tire near the
flat tire.
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