Genuine OEM Audi Light Switch, part number 8J1941531AJ5PR. This switch is responsible for controlling the vehicle's exterior and interior lighting functions. It is typically located on the dashboard, to the left of the steering column. The switch allows the driver to select various lighting modes, such as parking lights, low beams, high beams, and interior illumination. Genuine OEM light switches are manufactured to exact specifications to ensure reliable operation and proper beam alignment, crucial for safe driving.