Environmental conditions

► Say the commands, numbers, and letters smoothly and with normal volume, emphasis, and speed.
► Always say commands in the language of the voice activation system.
► When selecting a radio station, use the common pronunciation of the station name:
›Station ...‹ e. g. Classic Radio station
► Keep the doors, windows, and glass sunroof closed to prevent noise interference.
► Avoid making other noise in the vehicle while speaking.

    See also:

    xDrive
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    For US customers
    The following only applies to vehicles owned and operated in the US. If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediate ...