See also:

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

Universal Remote System Programming
If the vehicle has this feature, you will see these buttons with one indicator light next to them in the overhead console. This system provides a way to replace up to three remote control tran ...

Battery Load Management
The vehicle has Electric Power Management (EPM) that estimates the battery's temperature and state of charge. It then adjusts the voltage for best performance and extended life of the batter ...