See also:

Trailer Towing (CTS-V and Coupe)
The vehicle is neither designed nor intended to tow a trailer. ...

Fuel Used
The Fuel Used display shows the approximate liters (L) or gallons (gal) of fuel that have been used since last reset. The fuel used can be reset by pressing the SET/CLR button while the Fuel Used ...

Ending a Call
Press to end a call. ...