(a)   No person shall start a vehicle which is stopped, standing or parked until such movement can be made with reasonable safety.
   Before backing, operators of vehicles shall give ample warning, and while backing they shall exercise vigilance not to injure person or property on the street or highway.
   No person shall back a motor vehicle on a freeway, except: in a rest area; in the performance of public works or official duties; as a result of an emergency caused by an accident or breakdown of a motor vehicle.
   (b)   If the offender commits the offense while distracted and the distracting activity is a contributing factor to the commission of the offense, the offender is subject to the additional fine established under Section 303.991 of the Traffic Code. (ORC 4511.38)