1) DEFECT RESULT OF NORMAL USE, NO EXCEPTIONAL SITUATION JUST NORMAL EVERY DAY USE.RELATED TO TWO VEHICLES ONE 1996 CARAVAN, ANOTHER 1997 CARAVAN. 2) EXESIVE HAZE BUILDOFF ON HEADLIGHTS(PLASTIC LENS) I CAN CONTRIBUTE A LOSS OF PROPER DISTANCE ILUMINATION, FOR WITCH SEVERAL ATEMPTS OF DIFERENT METHODS WHERE TRIED TO CORRECT PROBLEM, RESULTING IN PEDESTRIAN STRUCT ACCIDENT ON DARK NIGHT,MY DRIVING RECORD HAD BEEN TICKET, ACCIDENT CLEAR FOR MORE THAN 30 YEARS. 3) SEVERAL POLISHING METHODS WHERE ATTEMPTED WITH DIFFERENT ADVERTISED PRODUCTS RESULTING IN SLIGHT TEMPORARY IMPROVEMENTS ALWAYS RESULTING IN LESSER TIME RECURRANCE OF PROBLEM, CAN NOT AFFORD TO REPLACE ALL 4 WITH NEW PARTS DUE TO EXCESIVE COST $135.00 EACH, ANLY REPLACED ONE AFTER ACCIDENT AND YES HAVE PARTS IF NEED TO BE SUBMITTED. POINT IN CASE, MY WORK IS AND HAS BEEN FOR THE PAST 20 YEARS RELATED TO PLASTICS, SPECIFICALLY INJECTION MOLDING, FOR WITCH I KNOW FIRST HAND THE CONSECUENCES FOR A POORLY DESIGN CHEMICAL CONTENT PLASTIC IN THIS CASE POLICARBONATES WITH INCORRECT UV ADITIVE CONTENT, WITCH IS THE CAUSE FOR NOT ONLY MY PARTICULAR BRAND OF VEHICLE,YEAR OR MODEL, THIS PROBLEM IS WITH ALL PLASTIC HEADLIGHT,SURE TGHEY SAVE WEIGTH, SURE ITS EASIER TO MANUFACTURE TO THE WEIRDEST SHAPES, SO MUCH SO THA KNOW A DAYS THE SEEM TO BE PART OF EITHER THE HOOD OR THE FENDERS, SO NOW THEIR BEING EXPOSED TO DIRECT SUNLIGHT FROM THE TOP CAUSING EVEN PREMATURER CONDITIONS, (THIS IS NOT A SCRATCHING RELATED ISSUE HERE THIS IS