Genuine OEM Volkswagen Auto Gearbox Multi-Function Switch, part number 0C8919823. This essential component is located within the automatic gearbox and is responsible for controlling various transmission functions, including gear selection and engagement. Weighing 0.261 kg and measuring approximately 0.13m x 0.095m x 0.031m, it provides accurate electrical signals to the transmission control unit. Using a genuine OEM switch ensures correct signal characteristics, reliable operation, and seamless integration with the vehicle's transmission system.