Turn by turn directions interrupting radio over Bluetooth

crank_that

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Jun 4, 2014
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My S5 is paired with my RCD 510 car stereo via bluetooth, my only issue is that i would like to use google maps as my sat nav. So when listening to the radio the turn by turns directions interprets my car radio however this does not seem to work. I have turned bluetooth audio on, on both the phone and stereo but when directions need to be said its just silence. When i uncheck bluetooth audio this will come out the phone but i would like it to come from the stereo.

I know the bluetooth aduio works as when i play music from my phone via BT this will play through the car speakers and the directions will interpret, however i want to know if there is a way i can make it work when also listening to the radio.

Help needed