See also:

General Towing Information
Only use towing equipment that has been designed for the vehicle. Contact your dealer or trailering dealer for assistance with preparing the vehicle for towing a trailer. See the following traile ...

Door Ajar Light
This light comes on in the Driver Information Center (DIC) when a door is open or not securely latched. Before driving, check that all doors are properly closed. ...

Your Responsibility
You may need to increase the volume of your radio to hear the OnStar® advisor. If the light next to the OnStar® buttons is red, this means that your system is not functioning properly and should ...