If your vehicle breaks down and you leave it on the side of the road, you must mark the vehicle with a red, reflecting triangle.

Section 9.07.010 Raucous Noise. No driver of a vehicle shall operate or permit operation of any radio system intended to make sound audible outside the vehicle when the vehicle is being operated upon a highway, unless such system is being operated to request assistance or warn of a hazardous situation. This section shall not apply…