Sounds no playing over Bluetooth

🚧 THIS IS A TICKET MIGRATED FROM UPVOTY. The original ticket and comments will be available for a limited time over at:
https://abrp.upvoty.com/b/report-a-bug/sounds-no-playing-over-bluetooth/
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Connected to the Bluetooth of my car, Voice Guidance and Speed Cameras alerts will not play unless I am playing some music on the phone.

What can I do?