normspanners
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I dont know if this works on plastic but it does work well on glass is a freshly cut potato just rub the cut face on the inside that gets foggy and it helps stop it. Only last month my sons heater matrix blew and his car and dash was soaked with coolant, anti freeze makes the misting worse. His car was undriveable with the fogging and thought I was 'off me head' when I got the potatoes out for him he had tried rainex etc. but, the spud juice worked very well for several days during some really bad wet cold weather untill the car dried out.