2012 GMC Canyon Owner's Manual - Page 314

10-78 Vehicle Care 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 5 under "Storing a Flat or Spare Tire and Tools" under Tire Changing on page 10‑66. 5. Turn the wrench counterclockwise until approximately 15 cm (6 in) of cable is exposed. 6. Stand the wheel blocks on their shortest ends, with the backs facing each other. A. Jack B. Wheel Blocks 7. Place the bottom edge of the jack (A) on the wheel blocks (B). Separate the wheel blocks so that the jack is balanced securely. 8. Attach the jack handle, extension, and wheel wrench to the jack and place it, with the wheel blocks, under the vehicle towards the front of the rear bumper. Position the center lift point of the jack under the wheel. 9. Turn the wheel wrench clockwise to raise the jack until it lifts the tire. 10. Continue raising the jack until the tire stops moving upward and is held firmly in place.