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:
Getting Started on Your Route
Once a destination has been entered, there are several functions that can be
performed. Press DEST to access the Route screen.
Turn List
Press to view the list of turn maneuvers for the entire ...
Starting the Engine
Place the transmission in the
proper gear.
If the vehicle has the keyless
access system, the keyless access
transmitter must be authenticated in
order for the ignition control knob
to turn. ...
Certification Label
Label Example
A vehicle-specific Certification/ Tire label is attached to the driver side
center pillar (B-pillar).
The label shows the size of the vehicle's original tires and the inflatio ...