Garmin 770 - turn by turn to OEM bluetooth?

 

Is it possible to get a Gamrin Nuvi 770 to send the turn by turn direction via bluetooth to a car OEM bluetooth integration.

Say I am listening to the radio, and when some information from the GPS comes, have the radio silence and hear through the speakers.

Just like a cell phone integration does when receiving a phone call?

Sounds like something Garmin could do? maybe some other brand has this feature?

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models designed for motorcycle use

I think the only Garmin models that support sending the turn by turn navigation audio via bluetooth are some of the models designed for motorcycle use.

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Garmin Drive Smart 55 - Samsung Note 10 Smartphone with Google Maps & HERE Apps

And

Also the 765 per the manual.

Which was news to me.
An after-purchase bonus.

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The Wizard of Ahhhhhhhs - Earned my Windmill 4/12/2010

the 765 does a2dp, but it

the 765 does a2dp, but it wouldn't mute the radio via bluetooth. I've looked at that model and it wouldn't achieve what I am trying to do.

I want to listen to the radio (regular car radio) and then have the GPS interupt it to give direction just like my cell phone would when a call comes in.

I am not sure about the Zumo's series, I may look into it, but the prices are so high for these...

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