Description: A car is fast approaching from the rear. Headlights begin to blind you. No worries. The Automatic-Dimming Rearview Mirror with HomeLink® darkens to reduce the glare. No hand adjustment necessary.Reduced glare lessens nighttime eye strain?Automatically adjusts for all light conditions?Replaces the standard rearview mirror?Includes HomeLink Wireless Control System that can be programmed to activate devices such as garage door openers, gates and RF-controlled lighting?.