Certain provisions of this traffic code do not apply to the driver of an emergency vehicle or public safety vehicle if the emergency vehicle or public safety vehicle is responding to an emergency call, is equipped with and displaying at least one flashing, rotating, or oscillating light visible under normal atmospheric conditions from a distance of 500 feet to the front of the vehicle and if the driver of the vehicles is giving an audible signal by siren, exhaust whistle, or bell. This section does not relieve the driver of an emergency vehicle or public safety vehicle from the duty to drive with due regard for the safety of all persons and property upon the highway.
(R.C. § 4511.041)