OnStar Services

See also:

Engine Compartment Fuse Block (CTS-V Wagon)
The underhood fuse block is located on the left side of the engine compartment. Lift the fuse block cover to access the fuses. The vehicle may not be equipped with all of the fuses and rel ...

Park Brake and P (Park) Mechanism Check
WARNING When you are doing this check, the vehicle could begin to move. You or others could be injured and property could be damaged. Make sure there is room in front of the vehicle in case ...

Time Shifting (Radio with CD/DVD and MEM)
The radio with the MEM time shift feature can rewind 20 minutes of XM content. While listening to the radio, the content from the current channel is always being buffered. Press   to pause t ...