1999 GMC Envoy Owner's Manual - Page 238

yellowblue Removing the Spare Tire and Tools The jacking equipment you'll need is stored along the driver's side inner rear quarter panel. Your vehicle is also equipped with work gloves and a plastic ground mat to assist in the changing of a flat tire. To remove your jack cover, pull up on the latches on the cover. Remove the wheel blocks, jack and wheel wrench. NOTICE: Never remove or restow a tire from/to a stowage position under the vehicle while the vehicle is supported by a jack. Always tighten the tire fully against the underside of the vehicle when restowing. Your vehicle's spare tire is located underneath the rear of your vehicle. 5-20