Regular seat belt, don't walk away from a car accident, while running what if danger on a car are as guilty of the bus driver and monitor that does not take care of them.
I went to fasten the seat while driving. What harm if an accident on the car. It is the fault of the bus monitor and the driver did not take care of her.
To buckle seats don't walk around while the car running. Danger if the accident happened in the car. To monitor and fault of bus driver doesn't take care of you.