606.13  SELF DEFENSE: LIMITATIONS ON DUTY TO RETREAT PRIOR TO USING FORCE.
   (a)   As used in this section, “residence” and “vehicle” have the same meanings as in Ohio R.C. 2901.05.
   (b)   For purposes of any section of this Code that sets forth a criminal offense, a person who lawfully is in that person's residence has no duty to retreat before using force in self defense, defense of another, or defense of that person's residence, and a person who lawfully is an occupant of that person's vehicle or who lawfully is an occupant in a vehicle owned by an immediate family member of the person has no duty to retreat before using force in self defense or defense of another.
(ORC 2901.09)