Environmental conditions

▷ Say the commands, numbers, and letters smoothly and with normal volume, emphasis, and speed.
▷ Always say commands in the language of the system. The language for the mobile phone voice operation is preset and cannot be changed in the Control Display.
▷ Keep the doors, windows, and glass sunroof closed to prevent noise interference.
▷ Avoid making other noise in the vehicle while speaking.

    See also:

    Activating HDC
    Press the button; the LED above the button lights up. ...

    Headlamps
    ▷ Do not rub dry and do not use abrasive or caustic cleansers. ▷ Soak areas that have been soiled e.g. due to insects, with shampoo and wash off with water. ▷ Thaw ice with d ...

    Radar sensor
    Position Radar sensor Dirty or covered sensor A dirty or covered sensor may hinder the detection of vehicles. ▷ If necessary, clean the radar sensor. Remove layers of snow and ice care ...