Indicator is given precedence to to motor vehicle

The utility model discloses indicator is given precedence to to motor vehicle, what relate to is a pedestrian or non -motor safety instructions ware, especially in crossroad or the pedestrian crossing, gives precedence to the indicator and reminds pedestrian or non -motor with sound light shape formula automatically outside the car. Contain controller, indicator, wireless communication module and power module, wireless communication module installs in the controller, the controller is that on -board diagnostic system links to each other with motor vehicle OBD system, and motor vehicle OBD system gives the controller with the acceleration or the speed reduction message routing of motor vehicle, and the controller carries out the analysis through the speed of a motor vehicle to receiving, speed reduction information, obtains driver's driving intention, the power of controller adopts the power of motor vehicle, the indicator links to each other the required electric energy of acquisition work with power module,