Does anyone know if there is a way to get the traffic update in Singapore with the GTM 25 and Nuvi 255 in Singapore? It seems to only work with the 1xxx series that are local units.
I second that! I have an even older nuvi 370 with the GTM12!
With the GTM12 in, it complains about no valid signal.
I can add a subscription but need to know what are the values required.
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