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:
Exterior Lamps Off Reminder
If a door is open, a reminder chime sounds when the headlamps or parking lamps
are manually turned on and the key is out of the ignition. To turn off the chime,
turn the headlamp switch to off or ...
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 that may be ...
Rear Vision Camera (RVC)
If available, the RVC displays a view of the area behind the vehicle on the navigation
screen when the vehicle is shifted into R (Reverse). Once shifted out of R (Reverse),
the navigation screen w ...