The Hella Parking Aid Sensor (Part #358141141) is a device designed to assist drivers in parking their vehicles. It uses ultrasonic technology to detect objects in the vehicle's surroundings and alerts the driver through a visual and audible warning system. This helps to prevent collisions and makes parking in tight spaces easier and safer. The sensor is compact and can be easily installed on the front or rear of a vehicle. It is compatible with a variety of car models and provides reliable and accurate detection.