When my phone connects to the radio in the car, I cannot get music to play even after pressing the play button on the radio. The phone does start playing the song sometimes but sound does not get pushed to the radio until the phone is unlocked and spotify is opened.
Steps to reproduce the issue:
The only way to fix this is to open the park the car and then unlock my phone and open the spotify app.
Samsung Galaxy 5, 6.0.1
Spotify version 126.96.36.1998