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:
Tips and Troubleshooting Chart
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Automatic Dimming Mirror
If the vehicle has the automatic dimming mirror, the driver outside mirror
automatically adjusts for the glare of headlamps behind you. ...
Passive Door Unlock
If the vehicle has the RKE system, this feature allows you to select which
doors will automatically unlock when you open the driver door with the RKE
transmitter present.
Press the MENU/SELECT kn ...






