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:
Automatic Fold and Tumble Feature
The transmission must be in P (Park) for this feature to work.
WARNING
Automatically folding and tumbling the seat when someone is sitting in the seat,
could cause injury to the person sittin ...
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 ...
Cruise Control Messages
CRUISE SET TO
XXX MPH (KM/H)
This message displays whenever
the cruise control is set. See Cruise
Control for more
information. ...