need code for cd player?

I have a car cd stero player in my car HYUDAI EXCEL TWIN CAM. My radio is asking for a code, I do not have one. would I be able to get one. My radio is a phillips BQR 604s series, Vin Number is KMHKF21MPXU853716, serial number is PH604CX0034223, bar code is 00999420034223, 90793160497900