Vehicle is a 1994 Toyota Corolla with 180,000 miles, most of which are highway. As you can see, the front of the car has been peppered pretty bad with rock chips, and the headlights were basically destroyed. I first tried toothpaste. That removed a bit of haze but nothing more. I then tried baking soda/vinegar. That did a bit more than the toothpaste, but I still couldn't see through the plastic to the reflectors/bulbs. I then tried Mother's plastic polish. That made it better but still not perfect, so I went on to wet sand them with 1200 grit sandpaper. I did 3 routines of wet sanding. After that, I did about 5 passes with rubbing compound, then 3 with the Mothers plastic polish. Now I can see all the way through the housing. It's still not crystal clear, but the light output is probably 3 times better now!
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