Yes unit is an small programmable unit that has can-bus and a no. of in and output. Barth elektronik.
https://www.barth-elektronik.com/de/mini-sps-stg-820.htmljust dug around a bit -- STG-800? how easy is the CANbus command parsing? I might pick one up and experiment a bit. where'd you get it?
there's a SmartTOP module that can do one-touch convertible operation, but they want $400 for it. I'm sure it's a trivial matter to listen for the command and then hold a line high for 25 seconds...
also, I want to make the car start up in sport mode so I don't have to keep wearing out my button