|Peugeot/Citroen reversing sensor bought new from Peugeot in France for Peugeot 308 Touring Wagon. Box opened but sensor never installed or used. Genuine Peugeot Reversing Sensor - suit Citroen and Peugeot. ActivePark14 is an electronic device detecting obstacles at the rear of the vehicle while reversing. It is based on the principle of reflection of sound waves. Free postage within Australia.