See also:

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 equi ...

Engine Oil Messages
CHANGE ENGINE OIL SOON When this message displays, it means that service is required for the vehicle. See your dealer. See Maintenance Schedule and Engine Oil for more information. When you res ...

Instrument Panel Illumination Control
(Instrument Panel Brightness): This feature controls the brightness of the instrument panel lights and is located next to the exterior lamps control. Push the knob to extend out and then it ca ...