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:
Setting the Tone
(Bass/Midrange/Treble)
BASS/MID/TREB (Bass, Midrange,
or Treble): To adjust bass,
midrange, or treble:
1. Press the TUNE/TONE knob
until the tone control tabs
display.
2. Continue pressing the TUNE/
TONE knob, o ...
StabiliTrak® System
StabiliTrak assists with directional
control of the vehicle in difficult
driving conditions. The system turns
on automatically every time the
vehicle is started.
- To turn off both traction
...
Battery Replacement
To change the remote control batteries:
1. Slide the rear cover back on the remote control.
2. Replace the two batteries in the compartment. Make sure they are installed
correctly using the diagra ...