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 Symbol Chart
Here are some additional symbols
that may be found on the vehicle
and what they mean. For more
information on the symbol, refer to
the Index.
: Airbag Readiness Light
: Air Conditioning
...
Navigation System
The navigation system provides detailed maps of most major freeways and roads
throughout the United States and Canada. After a destination has been set, the system
provides turn-by-turn instructio ...
Root Directory
The root directory is treated as a folder. If the root directory has compressed
audio files, the directory displays as No Folder or ALL. ...






