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:
Obstacle Detection Feature
The Obstacle Detection Feature is part of the express-up feature and is
active:
- In the middle and upper portions of the window opening.
- During window up movements.
- In ignition OFF during a ...
Manual Mode
Driver Shift Control (DSC) or
Tap Shift
Notice: Driving with the engine
at a high rpm without upshifting
while using Driver Shift Control
(DSC), could damage the vehicle.
Always upshift when ...
Playing a DVD-A (Audio) Disc
The Radio with DVD Audio, HDD,
and USB is capable of playing DVD
audio discs in the Bose® 5.1 Cabin
surround sound system.
Insert the DVD audio disc into
the CD/DVD player. DVD Audio
displa ...






