See also:

Switching the high beams on and off manually
High beams on, arrow 1. High beams off/headlamp flasher, arrow 2. To reactivate the High-beam Assistant, press the button on the turn signal lever. ...

Activating HDC
Press the button; the LED above the button lights up. ...

The concept
Dynamic Performance Control optimizes the handling characteristics of your vehicle when starting off, cornering, and during evasive maneuvers. To achieve this, the system variably distributes t ...