2008 XK Sport 4.7L V-8 QT-II 4WD 104,xxx Miles
@CouchFYI I tried that using my VIN, currently it says it has 0 Commanders and that "New account creation is temporarily unavailable. " I will try again if a few days.
I have to assume that you might have entered the wrong VIN;
I used this link & entered my VIN - it worked just fine;