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:
How to Change the Video Format when inthe Auxiliary Mode
The auxiliary input video format is preset to NTSC.
In some countries, the video format may be in
the PAL system. To change the video format,
perform the following:
1. Press the display menu b ...
Theft-Deterrent Feature
THEFTLOCK® is designed to discourage theft
of your vehicle’s radio. The feature works
automatically by learning a portion of the Vehicle
Identification Number (VIN). If the radio is
moved to a ...
Cruise Control Light
The cruise control light is white whenever the cruise control is set, and turns green when the cruise control is active.
The light turns off when the cruise control is turned off. See Cruise Contro ...