Reactivation for Subsequent Owners

Push speak to an Advisor as soon as and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle.

The Advisor will update vehicle records and will explain the OnStar service offers and options available.

    See also:

    Turn and Lane-Change Signals
    Move the lever all the way up or down to signal a turn. An arrow on the instrument panel cluster flashes in the direction of the turn or lane change. Raise or lower the lever until the arrow sta ...

    Transferring Service
    Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has chan ...

    Climate Control System
    The heating, cooling, and ventilation for the vehicle can be controlled with this system. For vehicles with the remote start feature, when activated, the climate control system heats or cools the ...