Cadillac 2012 CTS Owner's Manual page 409

To remove the jack:
A. Retainer Nut
B. Jack Stowage Bracket
C. Jack
1. Turn the retainer nut (A)
counterclockwise to remove.
2. Remove the jack stowage
bracket (B).
3. Slide the jack (C) forward to
remove it from the floor storage
bracket.
1. Do a safety check before
proceeding. See
2. Use the wrench to loosen all of
the wheel nuts. Do not remove
them yet.