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:
Vehicle Messages
Messages displayed on the DIC indicate the status of the vehicle or some
action that may be needed to correct a condition. Multiple messages may display
one after the other.
The messages that do ...
Exit Lighting
This allows the selection of how long the exterior lamps stay on when
leaving the vehicle when it is dark outside.
Press the MENU/SELECT knob when Exit Lighting is highlighted.
Turn the knob to ...
Starting the Engine
Place the transmission in the
proper gear.
If the vehicle has the keyless
access system, the keyless access
transmitter must be authenticated in
order for the ignition control knob
to turn. ...