Equipment Required For Funeral Vehicle -- Restricted Light Use

(1) A funeral escort vehicle or a funeral lead vehicle must 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 500 feet from the front of the vehicle. (2) 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.