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:
Express Window Anti-Pinch Feature
If any object is in the path of the window when the express-up is active, the
window will stop at the obstruction and auto-reverse to a preset factory position.
Weather conditions such as severe i ...
Timer
Can be used to measure time.
For example, timing how long it
takes to travel from one point to
another. To access the timer,
press the trip/fuel button until Timer
00:00:00 displays.
To turn ...
Grade Braking
The Grade Braking shift modes can be activated by pressing the button on the
end of the shift control lever. While in Range Selection Mode, Grade Braking is
deactivated allowing the driver to sele ...