I went to court to define what kind of response I do. There are codes for how emergency personnel respond. In the end the head of my department stopped debating me and walked out of an arbitration hearing.
Emergency response codes come in many colors. Depending on where you are, they enact special teams to do specific things. I was supposed to respond to the very color that meant lights and sirens. That takes special training and sign off by the city that I am not responsible for munching pedestrians with my car or skid marks where ever. Ah, no kay? I get there, in one piece, and to the harm of no one.