C'mon someone....anyone......I can't enter the code that two different dealerships have given. I bought the car used. Is it possible that the radio was replaced from another car and wouldn't work for some reason. I don't know. I pulled the stereo and got the code. I called and came up with 21516 then I go to enter it and it says error all of the way to 10. The I start over again. Can anyone shed some light on this. Honda keeps telling me to come down so they can do it for $90. I told them the stereo is already accessible and they still want $90 to enter the code for me. I'm so frustrated at this point I might just get a head unit from a friend used and just wire that in. I figure for the $100 bucks it will be fixed once and for all.