2005 Pontiac Aztek Owner's Manual - Page 357

If the spare tire will not lower, the secondary latch may be engaged causing the tire not to lower. Do the following to check the cable: 3. Loosen the cable by turning the wrench counterclockwise three or four turns. 4. If the spare tire has not lowered, tighten the cable all the way and then loosen it at least two times. If the spare tire did lower to the ground, continue with Step 4 under Removing the Spare Tire and Tools on page 5-72. 5. If you still cannot lower the spare tire to the ground, see Secondary Latch System on page 5-82. Removing the Spare Tire (Vehicles with a Sliding Rear Convenience Tray) The compact spare tire is located under the vehicle, ahead of the rear bumper. Use the spare tire hoist to raise, lower and store the compact spare. See Compact Spare Tire on page 5-90 for more information about the compact spare. All-wheel-drive Vehicle shown 1. Check under the vehicle to see if the cable is visible. 2. If it's not visible, see Secondary Latch System on page 5-82. If it is visible, first try to tighten the cable by turning the folding wrench clockwise until you hear two clicks or feel it skip twice. You cannot over-tighten the cable. 5-75