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:

    Connections
    OnStar Hands-Free Calling allows calls to be made and received from the vehicle. The vehicle can also be controlled from a cell phone through the OnStar mobile app. See www.onstar.com for coverage ...

    Overview (Radio with CD/DVD and MEM)
    A. VOL/ • Turns the system on or off and adjusts the volume. B. FAV • Radio: Opens the favorites list. • MEM: Opens the favorites list. C. Buttons 1 to 6 • Radio: Saves and sele ...

    When to Change Engine Oil
    Your vehicle has a computer system that lets you know when to change the engine oil and filter. This is based on engine revolutions and engine temperature, and not on mileage. Based on driving c ...