No person shall climb upon or into or swing upon or hold onto the outside of any motor vehicle whether the same is in motion or at rest, sound any horn or any other signaling device or attempt to manipulate any of the levers, the starter, the brakes or machinery thereof, or set such vehicle in motion or damage, tamper or interfere with the same. This provision shall not apply to persons with authority of the owner or the person lawfully in charge of a motor vehicle while such motor vehicle is at rest. (Prior code § 42-15-12)