I just installed an OEM HU today. It took me three days to think of a way to get it to hold secure, but I don't know if my method will work for long. I went to home depot and picked up two 1/4" x 4" bolts. There is a bar that goes across the middle of the space where the radio goes in (right above the pocket). I screwed the bolts through two holes in the bar and kept screwing until it was pushing up on the radio. I am HOPING that the tension of the bolts pushing up will hold the radio in place. Hopefully the bolts won't unscrew and the radio won't pop out b/c if it does, I'm going to have to remove the whole center console again and remove the bolts and think of ANOTHER way to secure the radio.