Volume Control

VOL/ adjust the volume. (Volume/Power): Turn to adjust the volume.

OnStar®, press and hold to mute (Phone/Mute): For vehicles with OnStar®, press and hold the infotainment system. Press and to mute the infotainment system. Press and hold again, or turn the VOL/ knob to cancel mute. knob to cancel mute.

For vehicles without OnStar®, press Press again, or turn the VOL/ to mute the infotainment system.

Press again, or turn the VOL/ knob to cancel mute. knob to cancel mute.

    See also:

    Services Specific to Canadian-Purchased Vehicles
    • Fuel delivery: Reimbursement is approximately $5 Canadian. Diesel fuel delivery may be restricted. Propane and other fuels are not provided through this service. • Lock-Out Service: Ve ...

    Convenience Net
    Use the convenience net, located in the rear, to store small loads as far forward as possible. The net should not be used to store heavy loads. ...

    Roadside Assistance Program
    U.S.: 1-800-252-1112 TTY Users: 1-888-889-2438 Canada: 1-800-268-6800 As the owner of a new Buick, you are automatically enrolled in the Roadside Assistance program. See Roadside Assistance Pr ...