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:
Muting a Call
During a call, all sounds from inside
the vehicle can be muted so that the
person on the other end of the call
cannot hear them.
To mute a call, press and
then say “Mute Call.”
To cancel m ...
Heated Steering Wheel
: Press to turn the heated steering
wheel on or off. A light on the button displays when the feature is turned on.
The steering wheel takes about three minutes to start heating. ...
Removing the Third Row Seat
To remove the seat:
1. Open the liftgate to access the controls for the seat.
2. Fold the seatbacks forward using lever “1” and the instructions listed previously
under “Folding the Seatback.” The ...