337.21. Rear-view mirror; clear view to front, both sides and rear.
   Every motor vehicle and motorcycle shall be equipped with a mirror so located as to reflect to the operator a view of the street to the rear of such vehicle or motorcycle. Operators of vehicles and motorcycles shall have a clear and unobstructed view to the front and to both sides of their vehicles or motorcycles and shall have a clear view to the rear of their vehicles or motorcycles by mirror.
(ORC 4513.23)