Trailer hitch and electrical set included The coding of the wiring harness is not possible for most vehicles from 08/2023. Affected are vehicles from vehicles model code “R” in the 10th position of the chassis number or the PR equipment codes NI1, NI7, Ni8, NI9. This reference includes a FLEX / EasyCode+ control unit and can be installed with or without coding. Coding can be programmed retrospectively, provided that this is possible on the part of the vehicle manufacturer. Comfort functions are
