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:

    Visual warning
    The approach of the vehicle to an object can be shown on the Control Display. When the distance to an object is small, a red bar is shown in front of the vehicle, as it is in the PDC display. ...

    Status field symbols
    The symbols are grouped as follows. Radio symbols Telephone symbols Entertainment symbols Additional symbols ...

    Tachometer
    Always avoid engine speeds in the red warning field. In this range, the fuel supply is interrupted to protect the engine. ...