"Fire apparatus," as used in this chapter, shall include fire trucks, hose carts, ladder wagons or ladder trucks and vehicles carrying members of the fire department, which vehicles must display the insignia or sound the bell or siren of the city fire department. No driver of any vehicle carrying such bell or siren shall permit such bell or siren to be sounded within the city except for responding to fire alarms. (Ord. 818 (part), 2019: Ord. 732, 2013: Prior code § 10-412)