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:
Remote Left In Vehicle
This allows the Remote Left In
Vehicle reminder feature to be
turned on or off. If on, the horn will
chirp if a remote is left in the
vehicle.
Press SELECT when Remote Left In
Vehicle is hi ...
Vehicle Settings
See Vehicle Personalization for more information. ...
Conversions and Add-Ons
Add-On Electrical Equipment
Notice: Do not add anything electrical to the vehicle unless you check with your dealer first.
Some electrical equipment can damage the vehicle and the damage would not b ...