See also:

Switching on/off manually
Press the button. On: the LED lights up. Off: the LED goes out. ...

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, ...

Interior rearview mirror
Reducing the blinding effect From behind when driving at night: turn the knob. ...