See also:

Display on the Control Display
Switching on the backup camera via iDrive With PDC activated: "Rear view camera" The backup camera image is displayed. The setting is stored for the remote control currently in use ...

Head airbags
In a lateral impact, the head airbag supports the head. ...

Deleting all stored programs
Press both outer memory buttons 1 for approx. 20 seconds until the LED flashes rapidly. All stored programs are deleted. The programs cannot be deleted individually. ...