i´m trying hard.... i read the link you post for last... i finally use the id 404 rss
i saved in a *.unl with the generate code inside....
and... "cannot unlock maps"
can i change the map name to gmapprom and send to nuvi, is better ???
Thanks.

i send to the sd card... --> a new message now: can´t find detailed maps.. nuvi can´t be uesd without this maps. AND NOW ??

THanks