Hi Marc
it is at the top of the window, above the midle of the blade...ish, I dont know if it has its own tank though.....only had mine 3 weeks, not looked yet!
I have had a look around, Robin, but I can't find andy reference to what those last two letters refer to. There are couple of members who work for Jaguar/Jaguar Dealers who might spot this post and tell us what they know about them. Peter.