Cadillac 2005 DeVille Owner's Manual page 347

3. Turn the wing nuts to remove the container that
holds the wrench and jack.
4. Remove the wheel wrench, jack and compact spare
tire from the trunk. See Compact Spare Tire on
page 5-86 for more information.
The tools you will be using include the jack (A) and the
wheel wrench (B).
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