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:
System Settings
CONFIG: Press to adjust the
number of favorites pages, auto
volume, XM (if equipped), and HDD
(if available) settings. The FAV,
AUTO VOL, XM (if equipped), and
HDD (if available) tabs displa ...
Selecting the XM Band
Press the RADIO/BAND button to choose between the AM, FM and XM bands. The
last channel played in that band begins to play when that band is selected. ...
Programming the Power Windows
If the battery on the vehicle has been recharged, disconnected, or is not working,
you will need to reprogram each front power window for the express-up feature to
work. Before reprogramming, repl ...