If you watch my review or read the thread...the only way to tell I believe is if it has a CAT button on the stereo. That's from USA Spec. itself if I remember (it's been years since I installed it).JayM35x wrote:Thank you for the help now I just need to know what exactly makes my car capable for SAT is it just have something in the back of the radio or is it having a particular wiring harness for it. If my car isn't SAT capable maybe I can just change out my radio to one that is.