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:
Rear Vision
Camera (RVC)
The vehicle may have a rear vision
camera system. Read this entire
section before using it.
The rear vision camera system is
designed to help the driver when
backing up by displaying a view o ...
Starting the Vehicle with a Low Transmitter Battery
Replace the battery if the REPLACE
BATTERY IN REMOTE KEY
message displays in the DIC.
See “Replace Battery In Remote
Key” under Key and Lock Messages for additional
information.
If the trans ...
Dome Lamps
The dome lamp is located in the overhead console.
To change the dome lamp settings, press the following:
(Dome Lamp Override): Turns the lamp off, even when a door is open.
(Door): The la ...






