Oregon Revised Statutes Oregon Vehicle Code § 820.360

(1) A person commits the offense of illegal ambulance lighting equipment if the person drives or moves on any highway or owns and causes or knowingly permits to be driven or moved on any highway an ambulance that does not contain and is not at all times equipped with warning lights in proper condition and adjustment as required under ORS 820.350.

(2) This section does not apply to any person or ambulance exempted by ORS 682.035 or 682.079 from regulation by the Oregon Health Authority.

(3) Authority of political subdivisions to regulate warning lights on ambulances is limited under ORS 682.031.

(4) The offense described under this section, illegal ambulance lighting equipment, is a Class C traffic violation.