Description: A car is fast approaching from the rear. Headlights begin to blind you. No worries. The Automatic Dimming Mirror darkens to reduce the glare. No hand adjustment necessary. Reduced glare reduces nighttime eye strain. Automatically adjusts for all light conditions. Replaces the standard rearview mirror. Disclaimer: If any items required for installation are not purchased or already on your vehicle, it may necessitate these items to be purchased separately at the time of installation.