Transferred from tech/discussion. OK, first things first. The 'reset' folks are talking about will ONLY calibrate the window to 'drop' all the way down or wind all the way up on one 'click' of the window button (as opposed to holding the button). Many cars with electric windows have this feature and you'll need to reinitialise it if the battery is every disconnected. This process tells the car that the window is really where it is, which is important for the Boxster as the window winds down in