Ohio Revised Code Title XLV. Motor Vehicles Aeronautics Watercraft § 4513.10

(A) Except in case of an emergency, whenever a vehicle is parked or stopped upon a roadway open to traffic or a shoulder adjacent thereto, whether attended or unattended, during the times mentioned in section 4513.03 of the Revised Code, such vehicle shall be equipped with one or more lights which shall exhibit a white or amber light on the roadway side visible from a distance of five hundred feet to the front of such vehicle, and a red light visible from a distance of five hundred feet to the rear. No lights need be displayed upon any such vehicle when it is stopped or parked within a municipal corporation where there is sufficient light to reveal any person or substantial object within a distance of five hundred feet upon such highway. Any lighted headlights upon a parked vehicle shall be depressed or dimmed.

(B) Whoever violates this section shall be punished as provided in section 4513.99 of the Revised Code.