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:
Vehicle Information Menu Items
(Vehicle Information): Press to
scroll through the following menu items:
Oil Life
Press the vehicle information button until OIL LIFE REMAINING displays. This
display shows an estimate of the o ...
Malfunction Indicator Lamp
A computer system called OBD II (On-Board Diagnostics-Second Generation) monitors
the operation of the vehicle to ensure emissions are at acceptable levels, to produce
a cleaner environment. This ...
Airbag System Messages
SERVICE AIRBAG
This message displays if there is a problem with the airbag system.
Take the vehicle to your dealer for service. ...