sync 1 navigation to sync 3 - SERP Analysis

https://www.reddit.com/r/fordfusion/comments/x4rxt3/sync_1_to_sync_3_upgrade_questions/

https://naviupgrade.com/all/resources/can-i-upgrade-sync-1-to-sync-3/

https://community.cyanlabs.net/t/sync-1-to-3-conversion/14285

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https://community.cyanlabs.net/t/2013-f150-upgraded-from-sync-1-to-sync-3/11275

https://www.ford.com/support/how-tos/sync/getting-started-with-sync/how-do-i-get-the-latest-map-updates-for-my-sync-system/