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:
Service Parts Identification Label
You will find this label on the inside of the glove
box. It is very helpful if you ever need to order
parts. On this label, you will find the following:
• VIN
• Model designation
• Paint in ...
Hazard Warning Flashers
The hazard warning flashers let you warn others that
you have a problem.
The hazard warning flasher button is located in the
center of the instrument panel above the radio.
: Press to make the ...
Diagnostics
OnStar Vehicle Diagnostics will
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
major vehicle systems. It also
checks the tire pressures, if ...