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The Ultrasonic Collision Avoidance System is designed to eliminate collisions when cars, trucks, and other vehicles are backing up. Many backup collisions result when objects are not in view or when a driver underestimates the distance to the object. The Ultrasonic Proximity System warns the driver of objects in the path and displays the distance to the object. The distance to an object is represented by a 10 segment light emitting diode (LED) bar graph. If all LED's are off, the object is more than 10 feet away. The first LED will illuminate at approximately 10 feet, and as the vehicle moves closer to the obstruction more LED's illuminate, about 1 LED per foot. If the object is closer than 1′-6″, the last LED will illuminate and an audible alarm will sound.