Quote:
Originally Posted by PBM317
Is your dash dimmer control dial clicked all the way to maximum brightness? This would prohibit the nav from going to Night Mode. Click it down to a non Max setting and it should change as appropriate.
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This is it exactly. With the dash dimmer at max brightness, it puts the HU into permanent day mode. Any other setting will enable the HU to dim when the headlights come on.
I forgot what page that was in the manual, as it was the salesman who mentioned that to me (iirc).