A. Every motor vehicle when operating on a highway within the Osage jurisdiction shall be equipped with a horn in good working order and capable of emitting sound audible under normal conditions from a distance of not less than two hundred (200) feet, but no horn or other warning device shall emit an unreasonably loud or harsh sound or whistle. The driver of a motor vehicle shall when reasonably necessary to insure safe operation give audible warning with the driver’s horn but shall not otherwise use such horn when upon a highway.

B. No vehicle shall be equipped with nor shall any person use upon a vehicle any siren, whistle or bell except as otherwise permitted in this section.

C. Any commercial vehicle may be equipped with a theft alarm signal device which is so arranged that it cannot be used by the driver as an ordinary warning signal.

D. Any authorized emergency vehicle may be equipped with a siren, whistle or bell, capable of emitting sound audible under normal conditions from a distance of not less than five hundred (500) feet but such siren shall not be used except when such vehicle is operated in response to an emergency call or in the immediate pursuit of an actual or suspected violator of the law, in which event the driver of such vehicle shall sound said siren when reasonably necessary to warn pedestrians and other drivers of the approach thereof and to attract the attention of the pursued car thereby giving the driver of the pursued car an order to pull over to the side of the road and to stop.

E. Any driver who violates this section wall be charged with an infraction and penalized with a fine not to exceed Fifty Dollars ($50.00).