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:
High-Beam On Light
This light comes on when the high-beam headlamps are in use.
See Headlamp High/Low-Beam Changer for more information. ...
Courtesy Lamps
The courtesy lamps come on automatically when any door is opened and the
dome lamp is in the door position. ...
Power Door Locks
The switches are located on the
front doors.
(Unlock): Press to unlock the
doors.
(Lock): Remove the key from
the ignition and press to lock the
doors. ...