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:
What to Use
Refer to Recommended Fluids and Lubricants to determine what kind
of lubricant to use. ...
CTS Coupe in the Market
In terms of arresting exterior design and luxurious cabin furnishings, the
CTS coupe has it made. Many coupe buyers, though, want more than a car that just
looks great: They want something that go ...
Sound
Press CONFIG to enter the configure menu options, then press CONFIG again, repeatedly
until Sound is selected or press the Sound screen button to make speaker and DSP
(Digital Signal Processing) a ...