Tony, there is a procedure to reset the anti trap function of the windows following a battery re-connection, pretty much as Andy outlined.
See link below
Battery reset.pdf
I think you press the button to send the window down but keep it pressed for a few seconds then send it up and again hols the button down for a few seconds then it should work.
I may be wrong though.
A quick press should send it down or up.
When I colledted it from Bristol , a three hour drive back home I got 45 mpg @70mph most of the way home ..
But kicking around the town its doing around 30/33 mpg ...
Welcome to the club, Mark.
Don worry about photos in the bad weather. The S Type is photogenic in all weather, and in fact, can be used tp create an image.
Below is the bonnet of my S Type in the rain.
Regards,
Peter.