See also:

Factory Settings
This feature allows you to set all of the customization features back to their factory default settings. Press the customization button until Factory Settings appears on the DIC display. Pres ...

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 acces ...

Why Safety Belts Work
When riding in a vehicle, you travel as fast as the vehicle does. If the vehicle stops suddenly, you keep going until something stops you. It could be the windshield, the instrument panel, ...