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 tra ...

Conversions and Add-Ons
Add-On Electrical Equipment Notice: Do not add anything electrical to the vehicle unless you check with your dealer first. Some electrical equipment can damage the vehicle and the damage w ...

Storing and Deleting Phone Numbers
The system can store up to 30 phone numbers as name tags in the Hands—Free Directory that is shared between the Bluetooth and OnStar systems. The following commands are used to delete and store ph ...