Here is an example of decoding or deactivating Opel/ Vauxhall Radio CD30MP3 with Tech2 diagnostic scan tool step-by- step.
GM TechⅡ diagnostic scan tool
TIS2000 CD software and USB key
Install and setup GM Tech 2 scanner and TIS2000 software CD
Connect Tech2 main unit with vehicle via OBD socket
Come to Main Menu, select F0: Vehicle Diagnose (Fahrzeug diagnose)
Select vehicle year: 2004
Select vehicle model: Astra-H
Select F5: Information system
Select EHU (Entertainment Head Unit)
Follow the system notice
Select F5: Programming
Select F5: Programming Audio Index
The Tech 2 scanner system then will display Audio index and Audio version information, manually enter the index code
Programming complete, test the radio system on your vehicle
Back to the main menu, exit and disconnect the Tech2 scan tool.