2008 GMC Envoy Owner's Manual - Page 387

2. If visible, first try to tighten the cable by turning the wheel wrench clockwise until you hear two clicks or feel it skip twice. You cannot overtighten the cable. 3. Loosen the cable by turning the wheel wrench counterclockwise three or four turns. 4. Repeat this procedure at least two times. If the spare tire lowers to the ground, continue with Step 2 of Removing the Spare Tire and Tools on page 5-84. 5. Turn the wrench counterclockwise until approximately 6 inches (15 cm) of cable is exposed. 6. Attach the jack handle, extension(s) and the wheel wrench to the jack and place it under the vehicle towards the front of the rear bumper. Position the center lift point of the jack under the center of the spare tire. 5-93