Being interrupted by notification sounds while listening to music or watching movies will affect you. With Samsung phones, you should use the separate app sound feature to avoid this discomfort. For example, you can play Apple Music and your phone will route the audio through the car's speakers. All other sounds will play through the phone's built-in speaker. Below are instructions for using separate application sounds on Samsung.
Instructions for using separate application sounds on Samsung
Step 1:
You access Settings on your phone then tap Sounds and Vibration setting item. Continue. you choose Separate App Sound feature.
Step 2:
Now you need to enable this feature on your Samsung phone to use it.
Step 3:
Users select applications and audio devices displayed in the phone's interface.
Click on Audio Device then select Bluetooth Device.
Thus, the separate application sound feature on Samsung has been established.