Specific wiring harness for retrofitting a PDC Park Distance Control for Audi Q7 4L, A3 8P This wiring harness connects the sensors in the front bumper to the wiring coming from the control unit Scope of delivery: Wiring harness Notes: To use the full functionality of a PDC system, you will need additional wiring between the control unit and the front bumper (article ID 33924) The AUDI Q7 4L is equipped with PDC at the front and rear