Transferring Service

Push Reactivation for Subsequent Owners 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:

    TPMS Malfunction Light and Message
    The TPMS will not function properly if one or more of the TPMS sensors are missing or inoperable. When the system detects a malfunction, the low tire pressure warning light flashes for about one m ...

    Battery
    The battery supplies power to start the engine and operate any additional electrical accessories. • To avoid break-down or failure to start the vehicle, maintain a battery with full cranking power. ...

    StabiliTrak® Indicator Light
    This light comes on briefly while starting the engine. If it does not, have the vehicle serviced by your dealer. If the system is working normally, the indicator light goes off. If it stays on, or ...