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:

    Manual Operation
    (Fan Control): Press these buttons on the rear seat audio control panel to increase or decrease the airflow. Pressing the fan up button when the system is off will turn the system on. The air del ...

    Thigh Support Adjustment
    If available, adjust the manual leg extension by pulling up on the lever, and then pulling or pushing on the support to lengthen or shorten it. Release the lever to lock it in place. ...

    Battery Replacement
    To change the remote control batteries: 1. Slide the rear cover back on the remote control. 2. Replace the two batteries in the compartment. Make sure they are installed correctly using the diagra ...