I built a quick project to address this from the other direction: https://github.com/aderusha/MQTTCarPresence https://github.com/aderusha/MQTTCarPresence If th

I built a quick project to address this from the other direction: https://github.com/aderusha/MQTTCarPresence https://github.com/aderusha/MQTTCarPresence If the car is turned on and in range of your home WiFi, it makes sure the door is open. This is mostly a convenience thing (when I leave home in the morning, it opens the door when I start the car and closes it after I leave, same process returning home) but it also address the concerns floated in the article.