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:
Three-Way Calling
Three-way calling must be supported on the cell phone and enabled by the wireless service carrier.
1. While on a call, press .
2. Say “Three-way call.” 3. Use the dial or call command to dial th ...
Heated and Ventilated Seats
Heated and Cooled Seat Buttons Shown, Heated Seat Buttons Similar
If available, the buttons are on the center console. To operate, the engine must be running.
: If available, press to heat the ...
Symbols
The RVC system may have a feature that lets the driver view symbols on the radio
screen while using the RVC. The Ultrasonic Rear Park Assist (URPA) system must not
be disabled to use the caution s ...





