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:
Digital Signal
Processing (DSP)
If the radio has this feature, it has
either a Bose® sound system or a
Bose® 5.1 Cabin Surround® sound
system. DSP is used to provide a
choice of different listening
experiences.
To choose ...
Vehicle Messages
Messages displayed on the DIC indicate the status of the vehicle or some action
may be needed to correct a condition. Multiple messages may appear one after another.
The messages that do not requir ...
Map Database Information
Use the Map Database Information/ Remove Map Data screen button to view the coverage
areas of the map database or to replace the map database.
1. Press the Map Database Information/Remove Map Dat ...






