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:
How the System Works
When the vehicle is started, both
outside mirror displays will briefly
come on to indicate that the system
is operating. While driving forward,
the left or right side mirror SBZA
display w ...
Trip/Fuel Display Menu Items
(Trip/Fuel): Press to display
the following menu items: ...
Folding and Tumbling the Seat from the Third Row Seat
WARNING
Using the third row seating position while the second row is folded, or folded
and tumbled, could cause injury in a sudden stop or crash. Be sure to return the
seat to the passenger ...