Receiving a Call

When an incoming call is received, the audio system mutes and a ring tone is heard in the vehicle.

  • Press Press  to ignore a call. to answer the call.
  • Press to ignore a call.
    See also:

    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 acce ...

    Roadside Assistance Program
    In the U.S. call 1-800-252-1112. In Canada call 1-800-268-6800. Service available 24 hours a day, 365 days a year. As the proud owner of a new Buick vehicle, you are automatically enrolled in th ...

    Lucerne Super adds more luxury appointments
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