I need help, because i putt my car on garage for repair and they disconnect my battery. And now my autoradio ask me a code for restart, I don't know where search that one.

It's possible you Help me ?
What you need for help me ?

My car is FORD GALAXY 1.9 TDI - 1998
Autoradio 2006RDS
MOD : MFD5406

Thank you by advance for your help ;)