Ambient conditions

> Say the commands, numbers and letters smoothly and with normal volume, emphasis and speed.
> Always speak the commands in the language of the voice activation system.
> When selecting a radio station, use the standard pronunciation of the station name.
> Keep the doors, windows, glass roof/panoramic glass roofclosed to prevent interference from ambient noise.
> Avoid ambient noise in the vehicle while speaking.

    See also:

    Malfunctions
    Steering wheel vibration Frequent activation of the steering wheel vibration causes the system to overheat. This causes the lane departure warning to become deactivated. Let the system cool and ...

    Front active seat ventilation
    The seat cushion and backrest surfaces are cooled by means of integrated fans. The ventilation rapidly cools the seat, e.g., if the vehicle interior is overheated or for continuous cooling at h ...

    DTMF suffix dialing
    DTMF suffix dialing can be used for gaining access to network services or for controlling devices, e.g., to make a remote inquiry of an answering machine. The DTMF code is needed for this purp ...