See also:

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

Front seats: adjusting the distance from the back of the head
Front seats: adjusting the distance from the back of the head Press the button and pull the headrest cushion forward or push it back. Compromised performance Do not place any objects behind ...

Releasing the parking brake manually
In the event of an electrical power loss or electrical malfunction, you can release the parking brake manually. Secure the vehicle against rolling Before releasing the parking brake manually, ...