It is an anti-theft mechanism that is programmed into the stereo system, it
does not do anything with the car, as soon as the power to stereo is
disconnected it won't start anymore wihtout its code. Unless the thief is a
good hacker to break the code.

<youknowwhoiare@hotmail.com> wrote in message
news:1147374323.581548.281100@y43g2000cwc.googlegr oups.com...
> I got my Civic worked on the other day and when I picked it up the code
> message was displaying. I don't have the sticker with my code on it
> and I was wondering if I replaced the factory stereo with an
> aftermarket stereo would it work without the code? Might be a stupid
> question but I need to know! Thanks!
>