The best mirror designs are only as good as consistent manufacturing processes will allow. Kool-Vue manufacturing partners are committed to providing the highest engineering standards. Our process starts with extensive third part supplier examination. Every component has to be reviewed and inspected before assembly begins. Assembly lines are designed for maximum efficiency as well as intermediate testing points to ensure the mirrors proper outcome. Finally, all products are fit tested, powered up and rotated and all accessories such as turn signals and heat are functional. Proper processes and controls that Kool-Vue delivers on its commitment of quality.