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External mic on head unit stops working when navigating

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Apr 24, 2021
I dont know if this is an AA issue or a bug in my new android-powered head unit. The head unit has an external mic mounted on the dash and an internal one that is accessed via a button on the unit.
When I start AA and Maps is running I can use the external mic as per normal but as soon as I get Maps to start navigating, the external mic cuts off and I have to use the internal one.
When I tell Maps to stop navigating the external mic becomes active again.
Has anyone else experienced this behaviour?


Senior Member
Nov 26, 2012
You don't mention the make and model of the unit. Is it AA or kanged Android/Chinese origin head unit.