For most Blaupunkt models, the serial number is printed on a sticker or engraved into the metal casing on the side or back.
Before you can use any calculator, you must identify your radio's unique 14-digit serial number. This number is the "key" the calculator uses to generate your specific unlock code. Method A: Removing the Radio (Most Reliable) Blaupunkt Radio Code Free Calculator
The most accurate way to get your code is by using the 14-character serial number found on the radio unit itself. For most Blaupunkt models, the serial number is