rear wiper position

should this be vertical or horizontal when its switched off? on mine it returns to horizontal, but on my mates campaign its vertical.
do either of us need to swap a couple of leads around or something?

Should be vertical, common mod is to make the wiper lay flat or horinzontal. No idea why as I think it looks better vertical and different to all those other hatches. Think the position is altered by simply revolving the wiper motor inside the tailgate.

Cheers