Genuine OEM Audi Airbag Control Unit, part number 8K0959655L. This module is the central brain for the vehicle's airbag system, responsible for detecting collision severity and triggering the appropriate airbags. It is a critical safety component located within the vehicle's interior. Genuine OEM airbag control units are programmed with the correct firmware and calibrated to precise specifications, ensuring reliable and timely deployment in an emergency.