You have to know the model and year. There are ways. Research the internet and you will find.
Security code for Kenwood kdc-515s car stereo?
I reset the code after a dead battery and it was the wrong code, how can I reset it and /or find the corrrect code
Check out the related link for advice on how to reset the security code on a Nokia C2-03.
With a scan tool
how to get the stero code for my 2007 lancer
i have a 2001 Saturn it has a dolby 8 NR stereo system please tell me the code to unlock it.
How to reset security code in 2001 Z3
I need code for blaupunkt SQR49 BP8490B2689492 Regards!
How do reset security code on a daewoo laganza
Howdo i reset my radio security code ml 500 2002
On the falcon's in OZ, the error usually appears after entering an incorrect security code. To make the error disappear I believe u need to have the stereo running for 20 minutes and then it will allow you to re-enter your security code.
security code