Airbag Opel Insignia 13578320 how open and read

[mellon]

Hi
I need help about sensor Temic Opel Insignia SDM10.12
1357 8320 TB
20T AS8320T102780751
I need read old and copy to used second bought.
How to open? is there some pinout to read this.
Adam

[xtech]

cut plastic box or beter use OBD solution

[mellon]

I konow that cut but black top or white plastic under?

[yanek23]

White plastic