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 to work.
1. While on a call press .
2. Say “Three-way call.”
3. Use the dial or call command ...
Symbols
The vehicle has components and
labels that use symbols instead of
text. Symbols are shown along with
the text describing the operation or
information relating to a specific
component, contro ...
Manual Operation
(Power): Press to turn the
climate control system on or off.
When the climate control system is
turned off the air inlet defaults to
outside air.
(Fan Control): Press the
buttons to increa ...






