Section 820.350 - Ambulance warning lights(1) Subject to any other law or rule pursuant thereto relating to lighting of a vehicle, the Department of Transportation may prescribe required warning lights for ambulances. The requirements established under this section may include, but are not limited to, numbers required, placement, visibility, rate of flash if applicable and inside indicators.(2) Enforcement of the requirements established under this section is provided under ORS 820.360. 1983 c.338 §762; 1985 c.79 §1; 1989 c.782 §38