See also:

Low beams
Switch position with the ignition switched on: the low beams light up. ...

Data transfer
During the updating of BMW services, display the status of the data transfer. 1. "BMW Assist" or "ConnectedDrive" 2. "Options" Open. 3. "Data transfer" ...

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