316.253  Vehicles used to sell ice cream and other confections; display of warnings required.--Any person who sells ice cream or other frozen confections at retail from a motor vehicle shall display on each side of such motor vehicle, in letters at least 3 inches high, a warning containing the words "look out for children" or "caution: children" or such similar words as are approved by the department. A violation of this section is a noncriminal traffic infraction, punishable as a nonmoving violation as provided in chapter 318.