See also:

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

Transferring Service
Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has ch ...

Extending Engine Run Time
For a 10-minute extension, repeat Steps 1 and 2 while the engine is still running. The remote start can only be extended once. When the remote start is extended, the second 10-minute period will s ...