@dubber36@Alster Do you think the threshold could be reproduced at standstill just by covering rear mirror sensor - which then should turn on dipped beam, and again off?
Could try to catch "the thing" with VCDS - as there are still quite a few uncharted channels in T6 BCM
Rear-view mirror (in High-beam assist) has an ambient light sensor as below - I would expect this to be the sensor which needs to be covered for testing.
Mirror dimming sensor is in the mirror itself in the centre at the top - torch helps to see it - fairly invisible without.
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