2012 GMC Canyon Owner's Manual - Page 313

Vehicle Care Crew Cab 3. Turn the handle to raise the jack until it is secure, but do not overtighten the jack in the bracket. 10-77 To release the spare tire from the secondary latch: Secondary Latch System This vehicle has an underbody‐ mounted tire hoist assembly that has a secondary latch system. It is designed to stop the spare tire from suddenly falling off the vehicle. For the secondary latch to work, the spare must be installed with the valve stem pointing down. See "Storing a Flat or Spare Tire and Tools" under Tire Changing on page 10‑66. A. Jack B. Wheel Blocks C. Wing Nut 1. Attach the wheel blocks (B) to the jack (A) with the wheel block retainer and the wing nut (C). 2. Reinstall the jack and wheel block assembly in the mounting bracket. Make sure to position the holes in the base of the jack onto the pins in the mounting bracket. 1. Check under the vehicle to see if the cable end fitting is visible. 2. If the cable end fitting is not visible, proceed to Step 6. If it is visible, first try to tighten the cable by turning the wheel wrench clockwise until you hear two clicks or feel it skip twice. The cable cannot be overtightened. { WARNING Before beginning this procedure read all the instructions. Failure to read and follow the instructions could damage the hoist assembly and you and others could get hurt. Read and follow the instructions listed next.