The invention is a combination horn button and gear position indicator system for an automobile, the automobile having wire having a first end terminating at the steering wheel and a second end terminating at least partially down the steering column. In detail, the invention includes a housing movably mounted to the steering wheel, said housing movable from a first position to a second position, with a spring biasing the housing to the first position. horn actuation switch mounted in the housing, which is actuated to a closed position when the housing is moved from the first position to the second position. A gear position indicator is mounted on the housing. Processor circuits for sending the horn actuation switch signal to the horn relay and sending a gear position signal from the transmission to the gear position indicator via the one wire.