2008 GMC Sierra 1500 Pickup Owner's Manual - Page 394

Removing the Spare Tire and Tools The equipment you will need is located under the passenger side second row seat. The spare tire is located underneath the vehicle. 1. Pull up the second row seat cushion to access the jack and tools. 2. Release the jack (D) from its holder by turning the knob (E) on the jack counterclockwise to lower the jack head slightly. 3. Remove the wheel blocks (B) and the retaining bolt (C) by turning the wing nut (A) counterclockwise. 4. Remove the wing nut (G) used to retain the storage bag and tools. To remove it, turn it counterclockwise. Use the jack handle extensions and the wheel wrench to remove the underbody-mounted spare tire. A. Wing Nut Retaining Wheel Blocks B. Wheel Blocks C. Retaining Bolt D. Jack E. Knob F. Tool Kit and Jack Tools G. Retaining Bracket and Wing Nut 5-82