Don't you just enter it in the address bar?
You go to your dealer and they do it for you, for a small charge. (£40 RRP)Talking about Upgrades. I have recently noticed that when I set a new destination a pop-up appears telling me that 'The version of the navigation map is outdated'. It adds ' Please update the map to the newest version'. I cannot find out how to download the latest version to install. Does this mean another trip to my dealership to have the map updated?