Specific wiring for retrofitting the original electric swivel trailer hitch suitable for the following vehicles Audi Q7 4M Audi Q8 4M Audi e-tron GE all functions as factory installed Scope of delivery: cable set Notes: After installation, the control equipment must be coded Example towbar 4M0803881C Control unit see accessories When using a new control unit, this must be parameterized Currently, retrofitting vehicles from model year 2024 is not possible