See also:

Switch off the engine during longer stops
Switch off the engine during longer stops, e.g., at traffic lights, railroad crossings or in traffic congestion. Fuel savings are achieved after the vehicle is switched off for only approx. 4 s ...

Front lamps, bulb replacement
At a glance Halogen headlamps 1 High beams/headlamp flasher 2 Parking lamps 3 Low beams 4 Turn signal/side marker light Xenon headlamps 1 Parking lamps / daytime running lights 2 Low beams ...

Deactivating HDC
Press the button again; the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...