TTY Users

OnStar has the ability to communicate to the deaf, hard&-ofhearing, 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® System
    If equipped, the vehicle has a traction control system that limits wheel spin and the StabiliTrak system that assists with directional control of the vehicle in difficult driving conditions. Both syst ...

    Muting a Call
    During a call, all sounds from inside the vehicle can be muted so that the person on the other end of the call cannot hear them. • To mute a call, press , and then say “Mute call.” . To cancel ...

    Tire and Loading Information Label
    Label Example A vehicle specific Tire and Loading Information label is attached to the vehicle's center pillar (B-pillar). With the driver's door open, you will find the label attached ...