Chevrolet Uplander Owner's Manual page 388

5. 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).
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6. 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.