To me it seems to be the famous (infamous) roof controi panel - the one with the reading lights, SOS button, Service cal etc. - that is known to fail
VERY often. I know quite a few
Formentor owners that replaced more than one unit under warranty. In some cases the lights don't work as they should, in other cases the sunroof control just dies, for others it just dials Breakdown Service randomly and sometimes the emergency service...