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. ...

Office
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Releasing
With the ignition switched on: Manual transmission: Press the switch while the brake or clutch is pressed. Automatic transmission: Press the switch while the brake is pressed or transmission ...