If you would like to add a CD changer to your factory radio with built-in CD changer controls, we probably have a solution for you. We have adapters that allow you to add CD changers from brands like Alpine and Pioneer to select factory CD changer ready car stereos. We also have CD changer packages from USA Spec that are made to work with specific factory radios. If you have a factory radio that does not have CD changer controls, we have an universal solutions that will work with any FM stereo. So if you are looking to add a CD changer, we can help!