See also:

Anti-theft Alarm System
This vehicle has an anti-theft alarm system. ...

DIC Operation and Displays
The DIC has different displays which can be accessed by using the DIC buttons on the turn signal lever to the left of the steering wheel. The DIC displays trip, fuel, vehicle system informat ...

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 ...