Diagnosis OBD
On the driver's side is an OBD socket for checking components relevant to the composition of the vehicle's emissions.
See also:
Malfunction
Comfort Access may not function properly if it
experiences interference from external sources
such as mobile phones, metal objects, overhead
power lines, transmission towers, etc.
In this case, ...
Capacities
...
Malfunction
A message is displayed in the instrument cluster.
HDC is not available, e.g., due to elevated
brake temperatures. ...