Stock CD player problems

[HondaCivic97]

Hey, as you can tell from the title im having stereo problems. Last night i was at the gas station and turned the engine off with the lights left on (dumb move i know)...when i went out to turn the car back on the battery had died, so i got a bost and after that my radio wont work at all...like i can turn it on but the only thing the screan will display is 1CODE...theres 6 buttons for the pre-set so you can preset radio stations...i hit number 2 and it says 2CODE number 3 and 3CODE ect...its like none of the other buttons work...i can hit eject and it will try and eject a CD but i try to put it in and it wont take it...can someone help me out please no music is driving me crazy lol....the car is a 2003 4 door Sport..and it dosnt have the optional tape player if thats relevent at all...thanks

[HondaCivic97]

never mind guys i got it figured out lol...turns out the CD player has an anti theft device so when its ever unpluged or the battery dies it locks itself and you need a code to unlock it...thanks though