You do not need a dealer database. You do not need to call Opel. You need a .
A: Check archive.org for the MHH page. Alternatively, search for "Blaupunkt keygen" on Russian forums like Drive2.ru. Opel Blaupunkt CAR300 code generator - MHH AUTO - Page 1
You might wonder why you cannot just Google "Free CAR300 code." The reason is . You do not need a dealer database
Do not just lurk. If you get the generator to work on your specific Windows version, reply to the MHH AUTO thread. Tell them which serial prefix you had and which code you received. This "crowdsourced validation" is why the generator still works after 20 years. Opel Blaupunkt CAR300 code generator - MHH AUTO - Page 1