Genuine OEM Volkswagen Automatic Headlight Switch, part number 3C0941431CREH. This control unit is designed to manage the automatic activation of the vehicle's headlights based on ambient light conditions. It typically features a rotary selector with an 'AUTO' position, allowing for hands-free lighting operation. Weighing approximately 0.094 kg with compact dimensions, it is constructed from durable black plastic. Choosing a genuine OEM switch ensures accurate sensor integration and reliable electrical performance, critical for safety and proper functioning of the automatic lighting system.