Defect. HEATING ELEMENT IN OUTSIDE MIRROR, WHICH ADHERES TO THE REFLECTIVE ACRYLIC LENS, MAY SHORT DUE TO WATER BUILDUP IN MIRROR HOUSING.
Risk. THIS COULD RESULT IN MELTING OF THE LENS; DRIVER'S VIEWTHROUGH REAR VIEW MIRROR WOULD BE AFFECTED.
Remedy. REPLACE MIRRORS WITH UNITS DESIGNED TO PREVENT WATER BUILDUP.