Violations of the provisions of sections 60-6,267 and 60-6,268 shall not constitute prima facie evidence of negligence nor shall compliance with such sections constitute a defense to any claim for personal injuries to a child or recovery of medical expenses for injuries sustained in any motor vehicle accident. Violation of such sections by a driver shall not constitute a defense for another person to any claim for personal injuries to a child or recovery of medical expenses for injuries sustained in any motor vehicle accident.