Chevrolet 2006 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.
5-82
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.