поморгать аварийкой(to say thank you or sorry,: Flashing your hazards a few times is a universally used thank you gesture. • I was told that flashing your hazards briefly (for about 2 seconds) means "thank you" to other drivers.4uzhoj)
аварийная сигнализация(hazard (warning) light noun [C] one of the orange lights at the front and back of a car which turn on and off repeatedly to warn other drivers of danger. CALD Alexander Demidov)
