See also:

Rear Compartment Fuse Block (CTS-V Wagon)
The rear compartment fuse block is located on the passenger side of the vehicle, behind the trim panel in the rear compartment. The vehicle may not be equipped with all of the fuses and relay ...

Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five ...

Daytime Running Lamp (DRL) (Uplevel)
1. From the back side of the headlamp assembly, remove the bottom cap to replace the DRL bulb. 2. Disconnect electrical connector. 3. Remove the DRL bulb socket from the headlamp assembly. 4. ...