since we change the baterie the radio no fonction again we lost card of number code (it's vdo cdr 500 ,326559176 n°24469302) i Can see 9022 214 0375900 or 00301481189798
You will have to get a profesional to decode this radio try www.car-audio-accessories.co.uk but you will have to pay for this!! No one on this site will be able to decode it for free!
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix in-car audio.