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:
Trailer Sway Control (TSC)
The vehicle has a Trailer Sway Control (TSC) feature as part of the
StabiliTrak system.
If TSC detects that the trailer is swaying, the vehicle's brakes are
automatically applied.
When TSC ...
Sound Menu
(Sound): Press this key or press
CONFIG to access the Sound menu to adjust the treble, midrange, bass, fade, balance,
and Digital Signal Processing (DSP). The system automatically stores audio ...
Traction Control System (TCS)/StabiliTrak® Light
The StabiliTrak or Traction Control System (TCS) indicator/warning light
comes on briefly when the engine is started.
If the light does not come on, have the vehicle serviced by your dealer.
...