there is NO standardized protocol for traffic stops.
***How about this? A bumper sticker that signals to cops that the person who is stopped will act in a pre-described fashion, whether that is getting out or staying in with your hands on the wheel or whatever is proscribed by the 0rganization described y the bumper sticker. And as far as I’m concerned, whatever that cooperation is, it also includes video surveillance of the scene.
I suppose that would work, but I really don’t understand why there can’t be ONE standard throughout the country. When you are pulled over by the police do this:(stay in your car; get out of your car; put your hands out the window.)Just decide dammit and stick to it!