No person shall park a vehicle upon any roadway for the principal purpose of:
(a) Displaying such vehicle for sale.
(b) Conducting the business, or any part thereof, of selling, renting or leasing such vehicle.
(c) Using of any vehicle for advertising any business, service or merchandise for sale, excepting however, vehicles licensed by the public utilities commission.
(d) Washing, greasing or repairing such vehicle except repairs necessitated by an emergency.
(Ord. 187 (part), 1962: Ord. 15 (part), 1956: Ord. 1 § 3457, 1956)