Cadillac 2006 DTS Owner's Manual page 377

4. Turn the jack handle counterclockwise to lower the
jack lift head until the jack fits under the vehicle.
5. Raise the jack until the metal flange fits firmly into
the channel of the jack head.
6. Put the spare tire near you.
7. Raise the vehicle by turning the jack handle
clockwise. Raise the vehicle far enough off the
ground for the spare tire to fit under the vehicle.
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