a) brake lights - at least of same color - in front will not happen - because you instinctively know - especially in poor visibility) to follow red lights and a

a) brake lights - at least of same color - in front will not happen - because you instinctively know - especially in poor visibility) to follow red lights and avoid the bright white ones - which is oncoming traffic... b) in most of europe the thank you is done with a momentary press of the hazard button - thats why its generally so easy to access on most european-targeted cars.