battery removal is in post above yours
If your feeling brave pop the covers off the bottom of the wipers, take off the 2 13mm bolts, close the bonnet. turn ignition on activate the wipers, turn them back off, turn off ignition and with igniton off press wiper stalk down, this should make the wipers stop vertically against the screen.
Lift the wiper arms one at a time and give them a wiggle side to side and the whole arms should then come off, then just remove the trim but be careful as its easy to snap so you would probably be best to just lift it up more
*edit*
One touch windows is the function you get when you tap the switch to make the window go completely from one end of its travel to the other, i.e completely open or completely closed
To reset it take the window to the top, release the button then press and hold the button again to go up and you should hear a click, go to the bottom and do the same process then the one touch is set