First of all, you have to be mindful. Then try to bring the car into the shoulder as quickly as possible. Ready to turn on the emergency lights to let other cars know so they can keep their distance. And most importantly, should not stand outside the car. whether there is a car crash or a breakdown (Except for the fire car) should sit and wait for the car and fasten the seat belt. And when the car has been put into the shoulder, call various emergency numbers to report the incident.