over time, some car’s headlights have a tendency to go from crystal clear to cloudy. but how much does this degradation affect a driver’s visibility at night and is there anything you can do to correct the problem?
“the yellow and fogginess you see on car headlights as they age will affect how much light is projected out onto the road and degrades your visibility,” says jennifer stockburger, director of operations at consumer reports’ auto test center. “there’s a polycarbonate coating that goes on headlight lenses and that’s what’s deteriorating as your headlights age, particularly in areas where cars get a lot of sun.”
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