See also:

Active seat
Active adjustment of the seat cushion's contours reduces muscular tension and fatigue to help prevent lower back pain. Press the button. The LED lights up. ...

Front
Active seat ventilation 1. Seat heating 2. Active seat ventilation Press button 1 or 2 once depending on the temperature or ventilation position. The LED in the respective button lights up. ...

Example: playing back a CD
1.  If necessary, switch on entertainment audio output. 2.  Press the button on the steering wheel. 3.  {C D and multimedia} The system plays the last media played. 4.  Press ...