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:
Heated Mirrors
(Rear Window Defogger):
Press to heat the mirrors.
See Dual Automatic Climate Control
System. ...
Turn Signal Indicator
The vehicle has a turn signal indicator on the mirror. An arrow on the mirror
flashes in the direction of the turn or lane change. ...
Headlamp High/Low-Beam Changer
(Headlamp High/Low Beam Changer):
To change the headlamps from low to high beam, push the lever toward the instrument
panel. To return to low-beam headlamps, pull the multifunction lever toward y ...