See also:

Activating HDC
Press the button; the LED above the button lights up. ...

Disposing of old batteries
Have old batteries disposed of by your service center or bring them to a recycling center. Maintain the battery in an upright position for transport and storage. Secure the battery so that ...

General information
The iDrive functions can be stored on the programmable memory buttons and called up directly, e.g., radio stations, navigation destinations, phone numbers and entry points into the menu. The ...