Abstract: An apparatus for simultaneously activating the lights and windshield wipers of an automobile comprising a housing formed as a half cylinder with a curved inside surface; securing means to hold the housing on the turn signal of an automobile; a multi-position thumb switch located on the outside surface of the housing; wires coupled to the switch, one wire coupled to a source of electrical potential and the other wire coupled to a windshield wiper motor and the head and tail lights; and means to sense darkness and retain the head and tail lights energized when turning off the switch in the dark.