The driver of every vehicle which shall be parked, during the time when the time limit parking regulations are in effect, in a parking space alongside of, next to, in front of, or behind which a parking meter is installed and maintained, shall immediately, upon parking such vehicle, deposit a coin of the proper denomination, as stated on the meter, according to the length of time to be parked in such space, and shall, if necessary, set the signal on such meter indicating the time limit for parking in such space.

(Code 1964, § 12.730)