2003 GMC Envoy Owner's Manual - Page 364

:-i Notice: Never remove or restow a tire fromho a storage position under the vehicle while the vehicle is supported by a jack. Always tighten the tirefully against the underside of the vehicle when restowing. The tools you'll be using include the wheel wrench (A), tire blocks (B), extension(s) (socket end) (C), handle (jack end) (D), and jack (E). The Envoy XL will include an additional extension. The following instructions explain how to remove the spare tire mounted underneath your vehicle. 1. To remove the underbody-mounted spare, insert the socket end of the extension on a 45" angle downward into the hoist drive shaft hole. It is exposed when the rear gate is open and is just above the rear bumper. Be sure the socket end of the extension connects into the hoist shaft. 5-69