www.hondaradiocodebyvin.com/f... This step guide can help you learn how to enter the Opel Meriva radio code that you will use to unlock your locked Opel Meriva radio device! Follow the guide and you can unlock your device if you own your original code! If you don't have the code (you lost it in the past), we recommend you visit the link in the text above to get your Opel Meriva radio code for free!