See also:

Malfunction
In the event of a failure or malfunction of the parking brake, secure the vehicle against rolling using a wheel chock, for example, when leaving it. ...

General information
Switch position: 0, If the driver door is opened with the ignition switched off, the exterior lighting is automatically switched off at these switch settings: ...

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