alexcorral,
This is one of my biggest disappointments with Land Rover. It does not apply for Western European and US drivers; but for the international crowd, there are very limited maps available from the supplier of digital maps to Land Rover. Thus, in my case in Africa, I use a Garmin Nuvi 1370i along with map source (Garmin map software) to create my own maps. Because I own the software and device from Garmin, I have a lot of control over it...versus the on-board nav system which would require significant brainpower to manipulate.
Again-only applies for us folks in the international boonnies, but pretty frustrating when sold as an "off-road navigation system."