g2s files are one of these "additional files". G2s is available in newer Nüvi devices (I guess) with a traffic receiver and it will give you infos about traffic flow and will help you calculate the fasted route.
g2s files are one of these "additional files". G2s is available in newer Nüvi devices (I guess) with a traffic receiver and it will give you infos about traffic flow and will help you calculate the fasted route.
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