Reverse camera integration for the Audi A4 B9 is made effortless with the Audi A4 Reverse Camera Integration Kit. This kit installs behind the head unit and integrates flawlessly with the vehicle's existing system, preserving the original design and functionality. If your A4 is equipped with parking sensors, the reverse camera will work in tandem with the sensor data, showing both on the display for enhanced safety and convenience when reversing.