I've recently purchased a 2020 CX-8 (which is not in the US market), but I'm guessing there are plenty of common parts across models and I'm hoping this might be one.

What I'm trying to do is wire up a switch to my garage door opener. I've done this with my previous cars by sourcing an OEM button which is a momentary-on button then soldering it into a normal remote and hiding it under the dash somewhere.
Can anyone tell me what button goes here in the blank space to help with tracking down a replacement I might be able to use?
Or if they are individually replaceable?