GMC Yukon 2021 Owner's Manual page 359

358 Vehicle Care
1. Pull to open the trim panel door.
The third row driver side seat may
need to be folded to access the trim
panel door.
2. Turn the jack knob counterclockwise to
release the jack and wheel blocks from
the bracket. If equipped, remove the
wheel blocks from the jack and place
the wheel blocks on both sides of the
tire at the opposite corner of the tire
being changed. See If a Tire Goes Flat
0 356 for more information on the
placement of the wheel blocks. Place
the jack and wheel blocks near the tire
being changed.
Short Wheel Base Shown, Extended Wheel
Base Similar
3. Lift the load floor. Remove the jacking
tools and place them near the tire
being changed.