Malfunction
A message is displayed in the instrument cluster.
HDC is not available, e.g., due to elevated brake temperatures.
See also:
Folding forward
Press the button, arrow 1, and fold the head restraint
forward. ...
Capacities
...
Enabling operation in the rear
Only possible via the iDrive in the front.
1. "Settings"
2. "Allow rear control"
3. Select the desired priority.
...