See also:

Rear Compartment Fuse Block (CTS Wagon)
This fuse block is on the right side of the vehicle, behind the trim panel in the rear compartment. The vehicle may not be equipped with all of the fuses, relays, and features shown. ...

Battery Replacement
Replace the battery if the REPLACE BATTERY IN REMOTE KEY message displays in the DIC. See “Replace Battery In Remote Key” under Key and Lock Messages for additional information. Notice: When ...

Passenger Sensing System
The vehicle has a passenger sensing system for the front outboard passenger position. The passenger airbag status indicator will be visible on the instrument panel when the vehicle is start ...