Ending a Call

Press Muting a Call to end a call.

    See also:

    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 ...

    Driving Impressions
    Despite structural similarities to the wildly styled Pontiac Aztek, Buick's crossover model has a personality of its own. Automatic-transmission responses are quick and easy. Acceleration is good, ...

    Fuel
    Use of the recommended fuel is an important part of the proper maintenance of this vehicle. To help keep the engine clean and maintain optimum vehicle performance, we recommend the use of ga ...