Substitute warning device for automobile seat belt reminder alarm

A plug-in warning device for replacing an originally installed electrically actuated buzzer for signalling an abnormal operating condition, said plug-in warning device comprising a housing generally corresponding to the size and configuration of the original buzzer, removable cover means secured on the housing and providing a speaker for the plug-in warning device, prong means secured within the housing and having the outer ends thereof extending outwardly from the housing for being connected with the electrical actuator of the buzzer, electric motor means mounted in the housing and electrically connected with the prong means, audible means operably connected with the electric motor means for actuation thereby to produce a pleasing warning signal of said abnormal operating condition, the audible means comprising musical means producing a tune for said signal, the musical means comprising a rotatable drum mounted in said housing and operably connected with the electric motor means for rotation about its own longitudinal axis, and musical tine means secured in the housing in the proximity of the drum for selective engagement thereby to produce said tune.