Pontiac 2002 Aztek Owner's Manual page 317

4. Turn the folding wrench clockwise to raise the jack
until it lifts the secondary latch spring.
5. Keep raising the jack until the spare tire stops
moving upward and is held firmly in place, this lets
you know that the secondary latch has released
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6. Lower the jack by turning the folding wrench
counterclockwise. Keep lowering the jack until the
spare tire is resting on the folding wrench.