Rear Compartment Fuse Block (CTS Coupe and Sedan)
The rear compartment fuse block is located on top of the battery, on the right side of the trunk. The battery access door must be removed to access the fuse block.
The vehicle may not be equipped with all of the fuses, relays, and features shown.






See also:
When the System Does Not Seem to Work Properly
The following messages may be displayed on the DIC:
SERVICE PARKING ASSIST: If this message occurs, take the vehicle to your dealer
for repair.
PARKING ASSIST OFF: This message occurs if the drive ...
Rear Seat Audio (RSA) System
The loading slot for the DVD player is located at the top of the head restraint.
Insert the disc partially into the loading slot with the printed side facing the
rear of the vehicle. The DVD playe ...
OnStar®
If the vehicle is equipped with
an active OnStar system, that
system may also record data in
crash or near crash-like situations.
The OnStar Terms and Conditions
provides information on data ...






