GMC YUKON XL 2004 Owner's Manual page 478

4. Use the retaining clip to fasten the tool kit on the
stud in the storage compartment in the rear left
trim panel and turn the wing nut clockwise to
secure.
5. Return the storage tray.
Yukon (Rear Access Panel)
A. Tool Kit with Jack
Tools and Gloves
B. Retaining Bracket
and Wing Nut
5-98
C. Wing Nut Holding
Tire Blocks
D. Tire Blocks
E. Bottle Jack
Yukon XL
A. Bottle Jack
B. Wheel Blocks
C. Wing Nut Holding
Tire Blocks
D. Mounting Bracket
E. Removable Tray
F. Retaining Hook
G. Retaining Bracket
and Wing Nut
H. Tool Kit with Jack
Tools and Gloves