(A) It shall be unlawful to park a motor vehicle displayed for sale or a motor vehicle on which demonstrations are being made on any street.
(B) It shall be unlawful to park a vehicle upon any street for the purpose of washing, greasing, painting or repairing the vehicle, except repairs necessitated by an emergency.
('81 Code, § 540.1, § 4)
Penalty, see § 72.99