Specific wiring harness for retrofitting the PDC (Park Distance Control) for Audi Q7 4L This harness connects the PDC control unit to the dashboard switch and the front bumper harness Scope of delivery: Cable set Note: To use the full functionality of a PDC system, you will need additional wiring for the front bumper sensors (article ID 34540) The AUDI Q7 4L is equipped with PDC at the front and rear