Complete kit for retrofitting the Comfort key, keyless start and entry system for Audi A6 and A7 4G All you need is the key. The vehicle is opened and locked using sensors in the door handles The tailgate can be opened via the handle or key even when the vehicle is locked Scope of delivery: Antennas Sensors Wiring harness Coding dongle Note: The Comfort control unit must be replaced by a Highline version For vehicles with an electric tailgate (PR-No: 4E7), the foot control (Kick-motion) can also be retrofitted