Genuine OEM Audi Longitudinal Seat Control Switch, part number 1Q0959747. This electronic module is responsible for controlling the precise forward and backward (longitudinal) positioning of the vehicle seat. It is designed for installation in the front left seat. Weighing approximately 0.144 kg, it measures 12.5 cm long, 8.2 cm wide, and 4.7 cm high. Using a genuine OEM switch ensures accurate signal transmission, proper integration with the seat's motor, and the long-term reliability essential for consistent seat adjustments.