From the blog "ABRP Blog"

Thanks for contributing your data to ABRP! We've added setup instruction to a page within the planner itself to simplify the setup process.  To set up live data for your car, navigate the ABRP Planner and select "Settings > Select car model > Add My Car".  You can see a comparison of the vehicles we support via OBD and other methods on our site: https://abetterrouteplanner.com/compare/livedata/ And we are happy to add more once it's possible to retrieve data via an OBD adapt