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. ...

PARKING ASSIST BLOCKED SEE OWNER'S MANUAL
If the vehicle has the Ultrasonic Rear Park Assist (URPA) system, this message displays if there is something interfering with the park assist system. See Ultrasonic Parking Assist for mor ...

Radio Reception
Frequency interference and static can occur during normal radio reception if items such as cell phone chargers, vehicle convenience accessories, and external electronic devices are plugged into th ...