See also:

Activating HDC
Activating HDC Press the button; the LED above the button lights up. The LED flashes when the brakes are applied automatically. ...

Interior and exterior mirrors, automatic dimming feature
Interior and exterior mirrors, automatic dimming feature Two photocells are used for control: ▷ In the mirror glass, see arrow. ▷ On the back of the mirror. For proper operation: ...

Opening the main menu
Press the button. The main menu is displayed. All iDrive functions can be called up via the main menu. ...