See also:

BMW Maintenance System
The maintenance system directs you to required maintenance measures and thereby supports you in maintaining road safety and the operational reliability of the vehicle. ...

Windshield washer nozzles
The washer jets are automatically heated whenever the ignition is switched on.   ...

Switching on/off manually
Press the button. On: the LED lights up. Off: the LED goes out. If Top View is displayed, switch on the backup camera via the iDrive. ...