Buick 2004 LeSabre Owner's Manual page 315

Removing the Flat Tire and Installing
the Spare Tire
1. Then use the wheel wrench to loosen the wheel
nuts, but do not remove them yet.
2. The jack has a bolt at the end. Attach the wheel
wrench to the bolt to create a jack handle.
3. Turn the wheel wrench counterclockwise to lower
the jack head until it fits under the vehicle.
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