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:

    StabiliTrak® Service Light
    This light will come on briefly when the engine is started. This light will come on if a problem is detected in the StabiliTrak® system. ...

    Accessory Inflator
    Your vehicle has an accessory inflator system. It can also inflate things like basketballs and bicycle tires. It can also used to inflate the tires to the proper tire pressure. It is not designed t ...

    eAssist Automatic Engine Start/Stop
    WARNING! Exiting the vehicle, without first shifting into P (Park), may cause the vehicle to move, you or others may be injured. Because the vehicle has the automatic engine start/stop feat ...