No lights need be displayed upon a vehicle which is:
(a) Parked off the roadway and not in a hazardous position on the highway; or
(b) Parked with a wheel within 18 inches of a curb; or
(c) Parked within a business or residence district with a wheel within 18 inches of a curb or edge of the roadway.
(Amended by Stats. 1977, Ch. 620.)