1) They are “hands off”, no manual adjustments are required leaving the driver free to watch the road.
2) The are variably dimming, meaning they are continually dimming and clearing to the precise level necessary to optimize vision.
3) In the darkest state, the minimum reflectance is only 7% and increases from there depending on the glare conditions. Auto-Dimming Mirrors use advanced "Electrochromic" technology providing maximum glare management.
effect of auto-dimming(compare)
it provides the most suitable reflectivity for drivers and avoid the traffic accident caused by the front or back car strong light intensity for the purpose that improve driving safety.