2007 Hummer H3 Owner's Manual - Page 403

Storing a Flat or Spare Tire and Tools {CAUTION: Incorrect wheel nuts or improperly tightened wheel nuts can cause the wheel to come loose and even come off. This could lead to an accident. Be sure to use the correct wheel nuts. If you have to replace them, be sure to get new GM original equipment wheel nuts. Stop somewhere as soon as you can and have the nuts tightened with a torque wrench to the proper torque specification. See Capacities and Specifications on page 422 for wheel nut torque specification. {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. To store the flat or spare tire on the spare tire mount, do the following: 1. Slide the flat or spare tire onto the swing-gate. In order to store the flat or the spare tire, you may need someone to assist you. 2. Reinstall the nuts to retain the flat or spare tire. 3. Tighten the nuts by hand. 403