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It will use whatever connection your phone is using.
Sorry, there was a problem. Please try again later.It actually uses a Bluetooth connection to your phone for data transfer. If your phone is getting its data for in-car WiFi that’s what will be used.
Sorry, there was a problem. Please try again later.I don't know for sure but, I looked at the app and I do not see a way to change the Wifi source. You could look on Garmin's site or contact their tech support to find the question. I use my phone's wifi.
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