Please I Need A Code For Beta4 Grundig Car Radio
 

I Have Just Bought A Old Vw Passat I Am Having Problems Finding A Code To Re Set It
The Battery Has Been Disconnected And The Screen Reads Safe
Would Be Very Greatful For The Unlock Coad
It Is A Beta 4 Grundig Made In Portugal
N0 Is Vwz2z2v2357848
Thanks Tom

Can anybody help to unlock VW beta4 car radio. Number is VWZ2Z2T6440808
Locked after battery change and can't find code.
Thx.