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:
If a Crash Occurs
If there has been an injury, call emergency services for help. Do not leave the
scene of a crash until all matters have been taken care of. Move the vehicle only
if its position puts you in danger ...
Automatic Operation
AUTO (Automatic Fan): When AUTO is selected on
the fan control, the system automatically adjusts the fan
speed. If the OnStar® system is activated when this
position is selected, the fan speed ...
Brake System Warning Light
The vehicle brake system consists
of two hydraulic circuits. If one
circuit is not working, the remaining
circuit can still work to stop the
vehicle. For normal braking
performance, both cir ...