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Discussion Starter · #1 ·
I have an Insignia B 2018. On the 1st Jan the Onstar system starting activating/deactivating (Onstar ceased in Europe on 31st Dec 2020) - I have temporarily stopped this by removing the fuse but this also deactivates the microphone. Now the sat nav system has ceased to function correctly. Could be a GPS issue? Anyone any ideas???
 

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The microphone is routed via the OnStar module, then to the HMI.

You'll need to connect the mic direct to the HMI and program it to disable the OnStar phantom powered microphone.
 
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