Pontiac Montana SV6 2007 Owner's Manual page 488

4. Attach the folding wrench (A) to the jack (B),
and turn the wrench clockwise to raise the
jack head approximately 3 inches (7.6 cm).
488
5. Raise the vehicle by turning the folding wrench
clockwise in the jack. Raise the vehicle far
enough off the ground so there is enough room
for the compact spare tire to fit under the
wheel well.
6. Remove all the wheel nuts and take off the
flat tire.