Cadillac CTS 2013 Owner's Manual page 80

3-22 Seats and Restraints
The right front passenger frontal
airbag is in the instrument panel on
the passenger side.
Driver Side Shown, Passenger
Side Similar
The seat-mounted side impact
airbags for the driver and right front
passenger are in the side of the
seatbacks closest to the door.
Driver Side Shown, Passenger
Side Similar
The roof-rail airbags for the driver,
front passenger, and second row
outboard passengers are in the
ceiling above the side windows.