See also:

Malfunction
A message is displayed in the instrument cluster. HDC is not available, e.g., due to elevated brake temperatures. ...

Warning stages
Prewarning This warning is issued, for example, when there is the impending danger of a collision or the distance to the vehicle ahead is too small. Acute warning with braking function Warning ...

Display on the Control Display
Switching on the backup camera via iDrive With Top View switched on: "Rear view camera" The backup camera image is displayed. The setting is stored for the remote control currently ...