But what if you don't have a factory radio to do the little trick? I had that problem. I could not get the mast to extend far enough to remove it. What I did was remove everything in the way to get access to the motor in the trunk. Once you have access, turn the radio on to extend the antenna. Then unplug the gray connector. Then plug it back in. When I did this it spit out the antenna mast. Then I was able to feed in the new one easily.