The Auto on headlight setting on my Golf, is a bit weird. It regularly turns the headlights on in broad daylight, and keeps them on. Other times it's getting dark due to stormy weather etc, and it won't turn them on. However driving into an underground carpark, always makes them turn on. I can't work out what degree of light triggers it. I have cleaned the windscreen where the sensor is, but makes no difference. Can the sensors be replaced easily? or is it something else? common issue?
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Welcome to the new look VWWatercooled
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Things are mostly the same, but some things are a little different. We will be learning together, so please post questions (and answers if you've worked things out) in the help thread.

The new forum software is an upgraded version of what came before, it's mostly the same but also a little different. Hopefully easier to use and more stable than before.
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Auto on headlights
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Tracing problems can be diffcult in these with out it ( actually tracing problems can be difficult even if you do have it )
probably obvious things but ...
HAs the windscreen been replaced?
Is the windscreen clean? The sensor is up the top in the center.
Are there chips in the glass near the sensor?
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Originally posted by saabman View PostTracing problems can be diffcult in these with out it ( actually tracing problems can be difficult even if you do have it )
probably obvious things but ...
HAs the windscreen been replaced? - Not Sure
Is the windscreen clean? The sensor is up the top in the center. - Yes
Are there chips in the glass near the sensor? - No, all clearMY08 Golf MkV GT-Sport
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Originally posted by BirdManFJ View PostWhat is Highway light function?
A value like 85km/h would make more sense here. I've not heard of any way to change this.MK4 GTI - Sold
MK5 Jetta Turbo - Sold
MK5 Jetta 2.Slow - Until it dies.
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2025 - Below Forum
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Test Slow
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