Safety apparatus for vehicle and method of using the same

A safety apparatus for a parked vehicle on a roadside, comprising:

• a plurality of sensors configured to sense the presence and positions of a pedestrian and a traveling vehicle that are approaching the parked vehicle;
• a controller configured to calculate a moving direction and moving speed of each of the pedestrian and the traveling vehicle using a result of sensing by the plurality of sensors;
• and
• a display configured, to display the position, the moving direction, or the moving speed of the pedestrian or the traveling vehicle such that the displayed information is easily recognized by any object present in an external part,
• wherein the display comprises a plurality of indicator lights of the parked vehicle, the indicator lights including a roadway-nearby indicator light, a sidewalk-nearby indicator light, a front indicator light, and a rear indicator light that are configured to operate independently from each other, and
• the front indicator light and the rear indicator light are sequentially blinked or the rear indicator light and the front indicator light are sequentially blinked in response to the moving direction of the pedestrian such that a blinking action indicates the moving direction of the pedestrian in a forward or backward direction.