I can pair my Lumia 640 with my car but I have no sound, how can I get the sound working?

[Windows Central Question]

can pair my lumia 640 with my car but no sound

No sound at all

 

[TechFreak1]

Re: can pair my lumia 640 with my car but no sound

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1) Is your 640 running Windows phone 8.1 or a insider build?
2) Have you tried the "use an alternative audio connection for speech"?
3) Have you checked if the car audio has a separate volume control for bluetooth in the settings?

 

[oviedofreak82]

Re: can pair my lumia 640 with my car but no sound

Also what mind of vehicle do you have?