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Vanishing from Hyundai’s data network

Finding and disabling the cellular modem for BlueLink in the Kona EV

However, the head unit went back into the car and seemed to work just fine afterward, with absolutely no warnings about a missing cell modem. Simply hard-resetting the head unit with the tiny recessed button set things right on that score, and there were no further issues. My preferred audio while driving is what drifts into my open windows right and left, because it's all good input to the full-attention control process.

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