2018 Opel Mokka X Stereo Wiring

Hello everyone, I'm from Belgium. This is my first post.
I would like to know what the colored wires of the black and gray pins are for installing a new car radio in a 2018 Opel Mokka X which is the European version of the Buick Encore.
The original car radio is a Intellilink NAVI 900 with HMI NG 2.5.
I am attaching photos of the pins. Thank you.
Hugo

This is what Directechs has for the Encore.

Radio 12V      Red/Gray      +      Radio, gray 20 pin plug, pin 1           
Radio Ground      Black/White      -      Radio, gray 20 pin plug, pin 11           
Radio Ignition      (Low Speed GMLAN)                     
Factory Amp Turn-on      (MOST Serial Data)                     
Left Front Speaker (+/-)      Blue - Brown/Blue      +,-      Amplifier near rear wheel well, green 16 pin plug, pins 7 - 15           
Right Front Speaker (+/-)      Yellow - Yellow/Black      +,-      Amplifier near rear wheel well, green 16 pin plug, pins 6 - 14           
Left Rear Speaker (+/-)      Green - Green/Black      +,-      Amplifier near rear wheel well, green 16 pin plug, pins 5 - 13           
Right Rear Speaker (+/-)      White - Blue/Black      +,-      Amplifier near rear wheel well, green 16 pin plug, pins 4 - 12           
Subwoofer (+/-)      Green/Black - Blue/Gray      +,-      Amplifier near rear wheel well, gray 8 pin plug, pins 7 - 3           
Aux. Audio Input Left (+/-)      (USB cable)                     
Aux. Audio Input Right (+/-)      (USB cable)                     
Rearview Camera Video      Gray/Yellow - White/Blue      +,-      IntelliLink Module in center of dash, 20 pin plug, pins 5 - 15      

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Let's Go Brandon Brown. Congratulations on your first Xfinity Series Win. LGBFJB

Hello,
Thanks for the help, it really helped me.
Hugo