Cadillac 2009 CTS Owner's Manual page 397

This vehicle may have one of the following tire sealant
and compressor kits. The kit includes:
A. Selector Switch
(Sealant/Air or
Air Only)
B. On/Off Button
C. Pressure Gage
D. Pressure Deflation
Button (If equipped)
E. Tire Sealant Canister
Sealant/Air Hose
(Clear)
F. Air Only Hose
(Black)
G. Power Plug
5-91