They use coreboot (open-source BIOS alternative - kinda) for their Tesla’s which the source-code is available on Tesla’s GitHub. That’s all I know though. Personally not a big Elon Musk fan.
I mean it mostly uses Bing in the background rather than Google. Searx is kich the same in the sense it taps into other search engines. Except with Searx you get more control.
Sweet potatoes I think.
I wonder if it can be neutered like Intel ME can…