If they have their siren on they do not have to stop.
No, as long as the halos are "white" you should be fine. Blue lights are usually for cops and red are for ambulances or fire trucks.
No, the American Red Cross doesn't have ambulances.
Stop.
No only law enforcement, fire brigade or ambulances are allowed blue lights on a vehicle. The road traffic law says tail lights must be red and orange in colour, if the lenses are white for the indicater then they must have orange bulbs
Tail markers and stop lights must be red. Turn signals can be red or amber.
Stop until the red lights stops flashing
flashing red lights are treated as stop signes , you stop and go when safe, and yellow flashing lights just means go, but be causious because the people on the other side of the intersection have a flashing red light so there stoping for you and should be watching.
stop lights don't have gas in them; it's just the color of the cover on the light.
Yes, the strongest of them all. That is a good reason why stop lights are red.
White, red, blue sometimes with orange.
never
Stop