“Does the gps come with the traffic antenna? Or do I need to buy another cord just for the traffic update?”

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• The nüvi 57LMT includes the traffic antenna, which is built into the car charger cable. ^DK

  Answered by GarminProductExpert 9 years ago

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• The traffic updates work but only when you have the power source plugged in.

  Answered by inSHANity 9 years ago

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