Yes, the question is correct. I live near Southampton on the south coast, and I entered Ullapool into the sat nav for a route, but it showed the message "route calculation was unsuccessful". I checked the GPS sympol and it was green, so the signal was fine. I entered Plymouth, and it found a route. I entered Carlisle and it found a route. I kept moving north and entered Fort William. No problem, it found the route. Aberdeen at 558 miles was OK. But further than this and it runs out of steam. I tried Wick but no route. They show in the database but that is it. I thought it may be a memory problem so I checked I had it on fastest route to give the minimum number of roads. It seems there is a maximum distance of around 560 miles. Is this normal or am I about to take this back to the dealer? If this is normal, then what a load of cr*p. Tomtom was better. This is a 2009 car with 7000 on the clock.