Collision Avoidance Sensor

45. Middle Back-up Sensor, Left (Acura Accessory):

46. Middle Back-up Sensor, Right (Acura Accessory):

51. Corner Back-up Sensor, Left (Acura Accessory):

52. Corner Back-up Sensor, Right (Acura Accessory):

197. Back-up Sensor Beeper Assembly (Acura Accessory):