code needed for a radio/cassette?

HELP radio code required?
after having a battery change on my car,the radio NOW asks for the code. the code number was removed from the radio manual in case the car was ever stolen can't remember where it was put or written down
here gos with the numbers i can SEE ON THE CASE
radio model is vw gamma
Radionr
*014VWZ1Z3Y5001238*
BLAUPUNKT WERKE GMBH

thanks