US Patent 8465161 Interior rearview mirror assembly with button module

An interior rearview mirror assembly for a vehicle includes a reflective element, a bezel portion positioned around the perimeter of the reflective element, and a user input module disposed at the bezel portion. The bezel portion has a recess established at its surface that faces generally toward a driver of a vehicle when the mirror assembly is normally mounted in the vehicle. The user input module is attached to the bezel portion at the recess and is at least partially received in the recess. The user input module includes at least one user input that is actuatable by a user to engage and actuate electronic circuitry of the user input module.