A vehicular accessory system includes an attachment element at an in-cabin surface of a vehicle windshield. The attachment element accommodates a rain sensor, which has a field of view through an aperture of the attachment element towards the vehicle windshield. An interior rearview mirror assembly has...http://www.google.es/patents/US20100195226?utm_source=gb-gplus-sharePatente US20100195226 - ACCESSORY SYSTEM SUITABLE FOR USE IN A VEHICLE
