96 Passat radio code

Good day to all concerned,

I have a 96 vrg passat that I misplaced the code for the radio. I put in a new battery and later tried to reset the radio. I punched in the code wrong 3 times and now it's in lock mode and I can't get out. I tried disconnecting the battery again and reconnecting, turned the radio on and let the key sit in accessory position for half an hour. I then tried again to no avial