Description: FRAMELESS AUTO-DIMMING REARVIEW MIRROR WITH HOMELINK® You can program your garage door, entry gates and security lights to operate at the touch of a button. And the smart mirror system with frameless design automatically adjusts to reduce glare from headlights behind you. The Genuine Mazda Accessory Framless Auto Dimming Rearview Mirror lets you program your garage door, entry gates and security lights to operate at the touch of a button.