Cadillac 2007 CTS Owner's Manual page 426

2. Turn the nut holding the jack counterclockwise
and remove it. Then remove the jack and
wheel wrench.
3. Remove the compact spare tire. See Compact
Spare Tire (CTS Only) on page 434 for more
information about the compact spare tire.
426
4. The tools you will be using next include the
jack (A) and the wheel wrench (B).