Specific wiring harness for retrofitting the PDC (Park Distance Control) for Audi Q3 8U This harness connects the PDC control unit to the dashboard switch and the front bumper harness Scope of delivery: Wiring harness Note : To use all the features of the front PDC system, you will need two more sets of cables: Harness for the front sensors (item ID 39536) Harness for the Park Pilot controller (item ID 36318) To add all the features of the Rear PDC system, you will need two more sets of cables: Harness for the rear sensors (item ID 39538) Harness for the Park Pilot controller (item ID 39537)