Complete kit for upgrading the original PDC parking aid for Audi Q3 8U This wiring harness connects the PDC controller to the central electronic module and the warning buzzer Scope of delivery: Wiring harness Notes: For To use all the features of the front PDC system, you will need two more sets of cables: Wiring harness for front sensors (part ID 39536) Wiring harness for Park Pilot controller (part ID 36318) To add full functionality of the rear PDC system, you will need two more sets of cables: Wiring harness for rear sensors (part ID 39538) Wiring harness for Park Pilot controller (part ID 39537)