An embodiment vehicle includes an emergency light, a plurality of detectors, a communication device, and a processor configured to determine whether the vehicle is in a normal state based on detection information of the plurality of detectors when the emergency light is in a turned-on state, determine a turning-on cause of the emergency light based on current location information received by the communication device when it is determined that the vehicle is in the normal state, and control the communication device to transmit guide information corresponding to the determined turning-on cause of the emergency light to an external device.