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Ahh, thanks for that. I'll keep an eye on it then. It's going to be a while until I can get to the dealer to check so will wait and see as the weather changes, it's been perfect up until now (including the automatic high beam)

I didn't think of that logic Larry,   I suppose it makes a little sense

With the Captur I had it early mornings mid summer, again very dark, crisp shadows....

I’ve had the same issue , been turning off auto as it seems silly being on in direct sun light , I know it’s not going to wear out the lamps as mines LED, also have the same issue with the rear view mirror being dimmed most of the time day or night without any bright light coming into the vehicle, even had the roof cover closed. 
If you put your finger over the sensor then it goes back to normal for a while

I think you're on to something with the low/direct sunlight.

This morning , same journey at the same time but overcast and they worked perfectly as expected, coming on under bridges/tree cover etc and turning off when clear.

Cheers