See also:

Immobilizer Operation (Keyless Access)
This vehicle has a passive theft-deterrent system. The system does not have to be manually armed or disarmed. The vehicle is automatically immobilized when the transmitter leaves the vehicle ...

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 ...

Playing the Radio
(Power/Volume): Press to turn the system on and off. Turn clockwise or counterclockwise to increase or decrease the volume. The radio goes to the previous volume setting when the radio is t ...