2005 GMC Savana Van Owner's Manual - Page 317

{CAUTION: Before beginning this procedure read all the instructions. Failure to read and follow the instructions could damage the hoist assembly and you and others could get hurt. Read and follow the instructions listed below. To release the spare tire from the secondary latch, do the following: 9. Tighten the nuts firmly in a crisscross sequence as shown. Turn the wheel wrench clockwise. 10. Put the wheel cover or the center cap and plastic wheel nut caps back on. Remove any wheel blocks. {CAUTION: Someone standing too close during the procedure could be injured by the jack. If the spare tire does not slide off the jack completely, make sure no one is behind you or on either side of you as you pull the jack out from the spare. Secondary Latch System Your vehicle has an underbody mounted tire hoist assembly equipped with a secondary latch system. It is designed to stop the spare tire from suddenly falling off the vehicle if the cable holding the spare tire is damaged. For the secondary latch to work, the tire must be stowed with the valve stem pointing down. See Storing a Flat or Spare Tire and Tools on page 5-82 for instructions on storing the spare tire correctly. 5-79