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 access to all of the OnStar services, except Virtual Advisor and OnStar Turn-by-Turn Navigation.
See also:
Battery Voltage and Charging Messages
BATTERY SAVER ACTIVE
This message displays when the system detects that the battery voltage is dropping below expected levels. The battery saver system starts reducing certain features of the vehicle ...
Rear Window Lockout
The rear window lockout feature prevents the rear passenger windows from operating, except from the driver position.
Press to activate the rear window lockout switch. The LED light comes on when a ...
Cellular Phone Usage
Cellular phone usage may cause interference with the vehicle's radio.
This interference may occur when making or receiving phone calls, charging the phone's battery, or simply having the phone on. Th ...