No person shall, without authority of the owner or person in charge thereof, climb upon, into, or swing upon any vehicle, whether it is in motion or at rest; sound any horn or other signaling device; attempt to manipulate any of the levers, brakes, starter, or machinery thereof; set the vehicle in motion; or damage, tamper, or interfere with the vehicle.
('58 Code, § 31.51) Penalty, see § 10.99