2006 GMC Yukon Owner's Manual - Page 454

4. Turn the wheel wrench (H) counterclockwise to lower the spare tire to the ground. Continue to turn the wheel wrench until the spare tire can be pulled out from under the vehicle. If the spare tire does not lower to the ground, the secondary latch is engaged causing the tire not to lower. See Secondary Latch System on page 5-88. 5. Use the wheel wrench hook that allows you to pull the hoist cable towards you to assist in reaching the spare tire. 2. Assemble the wheel wrench (H) and the two jack handle extensions (I) as shown. 3. Insert the spare tire end (open end) (F) of the extension through the hole (G) in the rear bumper. Be sure the hoist end of the extension connects to the hoist shaft (E). The ribbed square end of the extension is used to lower the spare tire. 5-80