Update your maps to city navigator 2010
For updating the nuvi 250, there are a few ways to update it with newer cards. - Just bought your gps (less than 60 days): you are eligible for a free upgrade. See nüMaps Guarantee.
- You buy an upgrade over the last twelve months you are eligible for a free upgrade. See nüMaps Guarantee.
-If you're not in the two previous situations, then you will need to purchase new maps. You can simply buy an upgrade or you can also buy full version city navigator
To see the detailed procedure, please consult the article on how to update all nuvi gps