2006 Chevrolet Colorado Owner's Manual - Page 358

5. Turn the wrench counterclockwise until approximately 6 inches (15 cm) of cable is exposed. 6. Stand the wheel blocks on their shortest ends, with the backs facing each other. 7. Place the bottom edge of the jack (A) on the wheel blocks (B), separating them 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 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, the secondary latch has released and the tire is balancing on the jack. 5-82