Causes So just what is that cloudy gunk on the inside of your windshield?  Well, many things can be the cause including condensation, dust, and tobacco smoke.  The most common cause though is the outgassing of plastics, foams, and vinyls used in producing vehicle interiors.  This outgassing is accelerated when the interior is hot and is most often seen on new cars.  As vehicles age this outgassing fades away and is usually not long term. Removal The best method to remove the film is to mix a solution of one part white vinegar and ten parts water.  Apply this to the inside of the
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