Loads of Problem: Headphones controls, Android auto, pauses

[#1]

Hey,
Not sure what can I do to fix my problems. I hand completely uninstall and reinstalled the app which helped a little but not with everything. I was running into these 3 problems:
1. Random playback pauses
2. Android auto display is grey. Icon is also not a full icon. Partners phone works no problems and has full sized icon.
3. Headphones controls don't work, works fine with my partners device

I have a Samsung flip 5. Recently setup