The utility model relates to an auto steering reminding device that sends a car, including well accuse display screen and steering detection device, well accuse display screen is installed at the auttombilism indoorly, the left and right sides in the locomotive is installed to the steering detection device, the steering detection device is including rotating motor and mounting panel, the mountingpanel is fixed in the pivot of rotating the motor, the mounting panel below is fixed to be detected the camera and detects the radar, during linking, the detection camera controls the display screen with detection radar electricity, rotate the motor, detect the camera and detect the radar and still link with car a steering system electricity, car head position sets up through -hole, cooperation insteering detection device department mounting panel downside connected to the fence, auto steering reminding device that sends a car can be when turning to graphical information and radar informationtransmission to well accuse display screen, guarantee to turn to safety emergence traffic accident when preventing to turn to.