Cadillac 2006 CTS-V - Manual (Page 355)

When you have a flat tire, use the following example as
a guide to assist you in the placement of wheel blocks.
The following information will tell you next how to use
the jack and change a tire.
Removing the Spare Tire and Tools
(CTS Only)
The equipment you will need is in the trunk.
To gain access to the spare tire and jacking equipment,
do the following:
1. Turn the center nut on
the compact spare tire
cover counterclockwise
to remove it. Then
remove the cover.
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