Genuine OEM Volkswagen Windshield Rain Sensor, part number 5Q0955559B. This sensor is designed to detect the presence and intensity of moisture on the windshield, automatically activating and adjusting the speed of the wipers. It is typically mounted on the inside of the windshield, near the rearview mirror. Weighing 0.0165 kg, this sensor is a key component for driver assistance. Choosing a genuine OEM sensor ensures accurate moisture detection, precise wiper control, and seamless integration with the vehicle's electrical system for optimal visibility.