Bundle for upgrading an original Park Pilot system at the front and rear of the vehicle, including the OPS optical parking system. OPS function only for vehicles equipped with original head units. Significantly improved distance control thanks to frequent audible alerts and an optical display on the head unit screen. NOTE PR Number: With the vehicle's chassis number, you can check with your local VW dealer whether your vehicle is equipped with VK0, VK1, or VK3. Selectable options: VK0 VK1 VK3 VK4. Scope of delivery: Wiring harness, Control unit, Sensors, Buzzer, Push button. Note: After installation, you must code the system. Please contact a VW dealer or workshop with diagnostic software.