Transferring Service

Push transfer to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has changed, OnStar may send a voice message to the vehicle, requesting updated account information.

    See also:

    Engine Heater
    The engine coolant heater can provide easier starting and better fuel economy during engine warm-up in cold weather conditions at or below −18°C (0°F). Vehicles with an engine heater should ...

    Checking Coolant in the Intercooler System (CTS-V)
    The vehicle must be on a level surface when checking the coolant level. The super charged engine intercooler coolant fill neck is located in the engine compartment on the passenger side of ...

    Control Buttons
    The knobs and buttons used to control the radio are: (XM): Press to choose the XM band (if equipped). TUNE/TONE: Turn to search for stations. Press to enter the Tone menu. MENU/SELECT: Tur ...