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:
SERVICE PARK BRAKE
For vehicles with the electric parking
brake, this message displays if a
problem is detected with the electric
parking brake system. See your
dealer for service. ...
Rear Vision Camera (RVC)
If available, the RVC displays a view of the area behind the vehicle when
the vehicle is shifted into R (Reverse). The display will appear on either the
inside rearview mirror or navigation screen, ...
Manual Operation
(Fan Control): Press these buttons
on the rear seat audio control panel to increase or decrease the airflow. Pressing
the fan up button when the system is off will turn the system on. The air del ...