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07-30-2014, 12:41 PM | #1 |
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Where is the sensor for the auto headlights?
Im asking because it seems like mine are on all the time, except perhaps around high noon.
Any bit of shade and they're on... I mean, they're on when I drive to work in the morning around 8am and it's bright and sunny out... and they're on when I leave work at 6pm.... and it's bright and sunny out. The only time they're not on is middle of the day....
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07-30-2014, 05:05 PM | #3 |
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I do not know the algorithm used, but my sense is that it is more than just a simple brightness threshold. I have noticed that all of our BMW's have turned on the headlights when the sun is low in the sky even when it is perfectly bright out. I notice this especially in the winter when there is extended dusk. The lights will even turn on if I am driving directly into the sun, but it is an hour or so away from setting. Again, I have no way to be sure, but my guess is that it is somehow tuned to turn on the lights during early morning / evening when it is still bright but visual contrast is deceptively lowered.
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07-31-2014, 07:50 PM | #4 | |
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Quote:
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07-31-2014, 11:31 PM | #5 |
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I do that anyways to avoid the inevitable turn-on inside the garage. Rocking it old school, I guess.
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