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Special circumstances in the use of LED taillights prompted the formation of a special pass to the outside world information.
When car trouble occurs, or when there is no need to call the rescue service can not arrive in time, people question of car parked on the roadside, waving off other vehicles to help, it is not very safe, but also other drivers do not know When the vehicle was hijacked , the road vehicles and traffic police have no way to understand the situation, so lost a valuable aid opportunity.
Xi an Technical University
Xi an, China
Xi an Technical University
Xi an, China
Yi Liu,Chao Cui,Lei Sun,Wei Li