Yup! You can even get Android Auto to work without Google Play:

- https://github.com/sn-00-x/aa4mg

Once upon a time I would be happy to put custom ROMs on my phone and do all these patches.

These days I just care so much about "things should just work" that I cannot justify doing this. I cannot think about how I could spend time figuring out what to do when the repo is no longer maintained or something breaks for random reasons.