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:
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Operating UHP Using Voice Control
The voice control of the UHP system enables you to operate several functions
of the mobile phone using your voice. The UHP system uses voice commands to
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Playing MP3 CD
MP3 is the format for storing digital audio. An audio CD quality song can be
compressed into the MP3 format with very little loss of quality, while taking up
much less space. CD-R/RW discs that ha ...