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. ...

Instrument lighting
You can adjust the brightness of the instrument lighting only when the parking lamps or the low beams are switched on. 1.  Push button 1in the turn signal/high beam lever up or down repeated ...

Example: dialing a phone number
1. Briefly press the button on the steering wheel. 2. ›Dial number‹ The system says: »Please say the number«. 3. For instance, ›123 456 790‹ The system says: »123 456 790. Continue?   ...