See also:

The concept
The voice activation system can be used to operate functions by means of spoken commands. Most menu items on the Control Display can be voiced as commands. The system prompts you to make ...

Interior motion sensor
The windows and glass sunroof must be closed for the system to function properly. ...

Close the windows and glass sunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...