See also:

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

Terminating destination guidance
1.  "Navigation" 2.  "Map" 3.  "Guidance" 4.  "Stop guidance" ...

The concept
In addition to the PDC Park Distance Control, the backup camera, can be switched on. PDC supports you when parking. Objects that you are approaching slowly in front of or behind your vehicle ...