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Help wanted: 2004 4runner reset GPS; calibration not holding


New member
I have a 2004 4Runner Limited. Recently had the dash removed to replace the evaporator and heater. Since then, the on screen GPS calibration will not hold true to the location I set. I've had the shop confirm all cables are installed including the GPS antenna.

What are some methods I could use to reset the navigation system to have the location calibration hold true?

Thank you

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