“Is the Traffic Update feature in the Nuvi57lm the same or similar to the Traffic routing service in the ChevyLynk in my in-dash navigation that is serviced through SiriusXM? Does it reroute my route as traffic conditions change?”
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We cannot speak on behalf of exactly how other products work but our traffic alerts work on an FM band, they will alert the device of traffic that is up coming and give the option of an alternative route if one is applicable. ~JH
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