Soon this all will be much easier. From 12 of September we’re going into a new world of EU Data Act that forces all companies to allow third parties to communicate with iot devices. Which a car is.
So soon Mazda will need to provide those APIs in an official way.
Sure. Efficiency isn't everything, though. At the end of the article there are a few people to get you started. Then you can go to your favorites in that list, and follow some of the people THEY are following. Rinse and repeat, follow boosted folks. You'll have 100 souls in no time.