Specific cable kit for retrofitting the original detachable towbar (AHK) for Audi Q2 GA You receive all functions as installed at the factory Scope of delivery: Cable set Notes: After installation, the control units must be coded using the coding dongle 42239 For a complete upgrade, additional hardware components are required (original trailer hitch, original trailer control unit, etc.) We would be happy to send you an offer for a complete trailer hitch upgrade