I am traveling to Japan and would like to use my Nuvi 2455 to navigate to waypoints. I have already used your tools to convert the KML file of waypoints to a GPX file, but there are still some things I don't understand.
1. Because Garmin does not offer maps of Japan, I have to download and install an OSM of Japan. I'm not sure how to do that and would appreciate help and advice.
2. How do I download the GPX file to my device?
3. Will the waypoints in the GPX file correctly display on the OSM automatically or do I need to do something else?