Android and my car

[tu13]

Family Plan/USA/Samsung Galaxy 10/ Android

My Question or Issue:

I have been listening to spotify just fine woth my new phone and my car. The other day I got out of my car with phone in hand for 2 minutes (have no idea if i pressed anything), got back into car, and ever since,Spotify says its playing on phone and in car but no sound is coming out from car speakers through bluetooth. I have reinstalled, bluetooth and spotify...problem not fixed