Genuine OEM Volkswagen Lane Change Assist Control Unit, part number 2Q0907685D. This electronic control unit processes sensor data to manage the vehicle's lane change assist system, enhancing driving safety. It is typically installed in the rear left position of the vehicle. The unit has a durable plastic housing and weighs approximately 0.154 kg. Choosing a genuine OEM control unit ensures correct firmware, precise sensor calibration, and seamless integration with other vehicle systems for reliable safety feature operation.