A vehicle is provided and configured to allow a driver to recognize a degree of proximity of another vehicle by turning on a warning light differentially based on a degree of proximity of the other vehicle driving in a blind spot. The vehicle includes a rear lateral side detection unit that is configured to detect a rear lateral side including a blind spot and a side mirror including a mirror. A first indicator is disposed in the mirror and is configured to be turned on when a blind spot detection function is activated and a second indicator includes a plurality of indicators and is configured such that the number of a turned-on indicator is increased in a predetermined direction as a distance between the other vehicle, which is approaching in a blind spot, and a subject vehicle decreases, according to a detection result of the rear lateral side detection unit.