(a) All nonlaw enforcement funeral escort vehicles and funeral lead vehicles shall be equipped with at least one lighted rotating or oscillating lamp exhibiting an amber light or lens visible under normal atmospheric conditions for a distance of at least five hundred (500) feet from the front of the vehicle. A funeral escort vehicle or a funeral lead vehicle may illuminate a rotating or oscillating amber light only when the vehicle is in use in a funeral procession.
(b) Any law enforcement funeral escort vehicle may be equipped with a red, blue, or amber flashing light which meet the criteria established in subsection (a) of this section.