An automotive target-detection system includes: sensor units each provided on a vehicle; and a central control unit connected to the sensor units. Each of the sensor units includes: a sensor detecting a target around the vehicle; and a controller generating target information on the detected target, and transmitting it to the central control unit. The controller (i) determines in which one of areas, into which a region around the vehicle is divided, each of targets detected by the sensor is present, (ii) calculates a priority of the targets based on a score set for the areas, (iii) transmits the target information on a target with high priority, (iv) avoids transmitting the target information on a target with low priority, and (v) changes the score of the areas depending on a driving condition.
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