Last year I got this information easily online from some kind of service book, it's actually a feature of the car. It was designed specifically for this purpose, so the wipers would stand to secure a car cover onto the screen. I know there's a sequence of events, whether you have to turn it off...
There is the option to turn on the wiper and then turn off the car and try to catch them in the right position, but if it doesn't work properly I would have to re-start the car and try again. There is definitely a mechanism to stop the car then have the wipers come on and specifically do half a...
Last winter I used a windscreen cover during the frosty period, and there was something to press so the wipers would turn on for just one wipe and then stand straight up so you could use them to help weigh down the windscreen cover. I've forgotten what you do, and I can't find it in the manual...