Can't do much, but if you want to poke around knock yourself out... The diag PIN is 753. The more useful code (for your 2006) is 1791 to allow navigation entry on the move here in North America. This won't work on 2007s and later, or even 2006s with updated navigation DVD. How-to Instructions: viewtopic.php?f=5&t=7209 - the screens are from a RRS but the procedure is the same on a 2006 Range Rover.