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:
Hazard Warning Flashers
(Hazard Warning Flashers):
Press this button on the instrument panel, to make the front and rear turn
signal lamps flash on and off.
This warns others that you are having trouble. Press aga ...
Instrument Panel Illumination Control
The brightness of the instrument panel lights and steering wheel controls
can be adjusted.
(Instrument Panel Brightness): Move and hold the thumbwheel up or down
to brighten or dim the lights ...
Memory Features
The controls on the driver door are used to program and recall memory settings
for the driver seat, outside mirrors, power steering column, and the adjustable
throttle and brake pedals. ...