See also:

Malfunction
The warning lamp comes on when the system has failed. A message appears on the Control Display. More information ...

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, ...

Supplementary text messages
Addition information, such as on the cause of a fault or the required action, can be called up via Check Control. The supplementary text of urgent messages is automatically displayed on the Cont ...