2005 GMC Yukon Owner's Manual - Page 447

For Yukon, the equipment is located behind the left trim panel in the rear of the vehicle. Unlatch the release lever to open the trim panel door. Skip the first step and follow the last three. For Yukon XL, the equipment you'll need is under the storage tray in the left trim panel. 1. Remove the tray to access the tools. 2. Remove the wing nut used to retain the tool kit by turning it counterclockwise. 3. Release the jack from its holder by turning the knob on the jack counterclockwise to lower the jack head. 4. Remove the wheel blocks and the wheel block retainer by turning the wing nut counterclockwise. You'll use the jack handle extensions and the wheel wrench to remove the underbody-mounted spare tire. A. Spare Tire (Valve Stem Pointed Down) B. Hoist Assembly C. Hoist Cable D. Tire Retainer E. Hoist Shaft F. Hoist End of Extension Tool G. Hoist Shaft Access Hole H. Wheel Wrench I. Jack Handle Extensions J. Hoist Lock (If Equipped) 5-79