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:
Accepting or Declining a Call
When an incoming call is received, the infotainment system mutes and a ring tone
is heard in the vehicle.
Accepting a Call
Turn the MENU/SEL knob to “Answer” and press the MENU/SEL knob to acc ...
Turn Signals When Towing a Trailer
The turn signal indicators on the instrument panel flash whenever signaling a
turn or lane change. Properly hooked up, the trailer lamps also flash, telling other
drivers the vehicle is turning, c ...
Cruise Control Light
The cruise control light is white whenever the cruise control is set, and turns
green when the cruise control is active.
The light turns off when the cruise control is turned off. See Cruise Cont ...