2005 GMC Sierra 1500 Pickup Owner's Manual - Page 503

Storing a Flat or Spare Tire and Tools {CAUTION: Storing a jack, a tire, or other equipment in the passenger compartment of the vehicle could cause injury. In a sudden stop or collision, loose equipment could strike someone. Store all these in the proper place. Notice: Storing an aluminum wheel with a flat tire under your vehicle for an extended period of time or with the valve stem pointing up may damage the wheel. Always stow the wheel with the valve stem pointing down and have the wheel/tire repaired as soon as possible. Return the bottle jack, wheel blocks, wheel wrench and jack extensions to their location behind the passenger's seat. A. Wing Nut B. Wheel Blocks C. Retaining Bracket and Wing Nut D. Wheel Wrench and Extensions To store the jack and jack E. F. G. H. Storage Bag Mounting Bracket Bottle Jack Retaining Hook tools, do the following: 1. Put the jack tools in the tool bag and place them in the retaining bracket. 2. Tighten down the wing nut. 3. Assemble the wheel blocks and bottle jack together with the wing nut and retaining hook. 5-109