See also:

Towing Your Vehicle
To avoid damage, the disabled vehicle should be towed with all four wheels off the ground. Consult your dealer/retailer or a professional towing service if the disabled vehicle must be towed. Se ...

Return to Factory Settings
Select Return to Factory Settings to return all of the vehicle personalization to the default settings. Turn the Menu knob to select Yes or No. Press SELECT to confirm and go back to the l ...

TTY Users
OnStar has the ability to communicate to the deaf, hard-of-hearing, or speech-impaired customers while in the vehicle. The available dealer-installed TTY system can provide in-vehicle acce ...