KRS 189.080: Horns and other sound devices.

Every motor vehicle, when in use on a highway, shall be equipped with a horn or other

device capable of making an abrupt sound sufficiently loud to be heard from a distance of

at least two hundred (200) feet under all ordinary traffic conditions. Every per son

operating an automobile or bicycle shall sound the horn or sound device whenever

necessary as a warning of the approach of such vehicle to pedestrians or other vehicles,

but shall not sound the horn or sound device unnecessarily. A bell may be used on a

bicycle.