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:
Towing with a Stability Control System
When towing, the sound of the stability control system might
be heard. The system is reacting to the vehicle movement caused by the trailer,
which mainly occurs during cornering. This is normal wh ...
Setting the Clock
See Clock (Radio with CD and
Touchscreen) for more
information. ...
Unlocked Door Anti Lock Out
When on, this feature will keep the
driver door from locking when the
door is open. If off is selected, the
Unlocked Door Anti Lock Out menu
will be available and the door will
lock as progr ...