"Adaptive Light Defective" message 2005 4.2
12-11-2018, 02:39 AM
#11
AudiWorld Junior Member
It's probably the light/rain sensor. Or at least that's the common message that it gives when it's on its way out. It's a two in one sensor, located behind the rearview mirror against the windscreen. A VCDS scan will confirm if it's this sensor that's faulting. The fix is replacing it.
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