Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

How to Enter the Unlock Code in the Blaupunkt Car 300 Radio of an Opel?

Model: Vauxhall Opel Various
Part: Warning light – error code

In this tutorial, you will learn how to enter the unlock code in the Blaupunkt Car 300 radio of an Opel, an extremely simple and quick operation to perform, for example, after replacing the battery. The code can be found in the documents provided at purchase, but if lost, it can be retrieved through one of the various online services. Once obtained, go inside the cabin, then insert the key and turn on the instrument panel. Next, press and hold both the power button of the radio and the "AS" button, enter the code using the buttons "1", "2", "3", and "4", and save it by pressing the "AS" button again.

Updated on 9 September 2026 by ScegliAuto

Video tutorial

Related tutorials

How to enter the unlock code in the Blaupunkt car radio of an Opel?
How to enter the unlock code in the Blaupunkt car radio of an Opel?
Vauxhall Opel Various In this tutorial we can see how to insert the unlock code in the Blaupunkt car radio of an Opel, a very simple and quick operation, to be carried out…
How to enter the unlock code in an Opel car radio?
How to enter the unlock code in an Opel car radio?
Vauxhall Opel Various In this tutorial, you will see how to enter the unlock code in an Opel car radio, a very simple operation to perform if it has locked due to the batt…
How to Reset the Car Radio in an Opel?
How to Reset the Car Radio in an Opel?
Vauxhall Opel Various In this tutorial, see how to reset the car radio in an Opel, a very simple and quick operation. You will need the specific security code, which is fo…

Other guides you may be interested in

    Frequently Asked Questions

    • Opel Vari - What does the Opel LIM warning light mean? Read answer
    • Opel Vari - What does the error code 22 mean on the Opel? Read answer

How to Reset the Central Locking of the Volkswagen Golf 4?

If the central locking system of the Volkswagen Golf 4 is not working, it is likely necessary to reset the system: to do this, open the driver's door and detach the side panel of the dashboard next to the steering wheel. Under this panel, you will find the fuses, including the one for the central locking, which is indicated in the manual as number 14. To reset the system, remove this fuse from its housing, then reinsert it or replace it with a new one of the same amperage: this will reset the central locking system.

Watch the video!


by ScegliAuto

More videos