I've recently had the windscreen replaced by Desa Carglass in Switzerland.

Installation went fine & they look like they've done a nice job.

However I've noticed a behaviour I haven't seen before now the rains from the UK have moved towards Europe.

When the wipers are in Auto or intermittent position and the system detects rain, the passenger side wiper is raised about 10cm and is visible above the bonnet line in the window.

If I move the stalk to the off position or no rain is detected for a short time, the passenger side wiper seems to move back down into a kind of parking position below the bonnet line and is no longer visible from the driving position.

This behaviour is consistent and repeatable so I'm assuming it's normal.

But was wondering if it was perhaps stuck in a learning or calibration mode?

Gabbo

I have also read or heard that the clever little silicon chip changes or varies the “parking” position of the wipers at times, supposedly to avoid some type of wear at one position.

And what you have noticed is indeed normal. When I first got this car, it was sort of amusing to watch the wiper arm move itself down under the bonnet line when switching off 😃

As far as I remember, this 'park position' mode can be disabled. I hope I'm not wrong.

+1 to wat @Shuggyboatsuperb said - the wipers r purposely placed in different parking positions each time to prevent it sticking/marking the one spot on the windscreen itself.

11 hours ago, Gabbo said:

I've recently had the windscreen replaced by Desa Carglass in Switzerland.

Installation went fine & they look like they've done a nice job.

However I've noticed a behaviour I haven't seen before now the rains from the UK have moved towards Europe.

When the wipers are in Auto or intermittent position and the system detects rain, the passenger side wiper is raised about 10cm and is visible above the bonnet line in the window.

If I move the stalk to the off position or no rain is detected for a short time, the passenger side wiper seems to move back down into a kind of parking position below the bonnet line and is no longer visible from the driving position.

This behaviour is consistent and repeatable so I'm assuming it's normal.

But was wondering if it was perhaps stuck in a learning or calibration mode?

Gabbo

Mine does this. When it’s on auto, the passenger side doesn’t go all the way down; not sure what the reason is but I asked when I first noticed it and I think the answer was that it’s so that the wiper is ready to sweep. Flick the stalk back down to off and you’ll see it then settle out of sight.

This function ensures that the wiper blades aren't always tilted in the same direction. Simply put, they are tilted once to the left and once to the right. This is called alternating parking position. It's intended to extend their lifespan. This function can be coded out.

I wonder if perhaps the position of the passenger wiper blade is not completely aligned where it was before & now I notice it more.

When I noticed it was the first time it was raining after the screen was replaced.

As the blade is raised quite far above the bonnet line it is affected by the wind/speed of driving & and rattles somewhat at high-speed or gusty winds.

The drivers side blade only moves up or down maybe 1cm in this waiting position & doesn't appear above the bonnet line.

I'll try to take a clear picture of this, to explain the difference.

Gabbo

Mines the same as windscreen replacement, need to take it off and move it down a bit but keep forgetting

Just above the VIN you’ll see a little white line, thinking of moving mine to that as I’m guessing that’s a seating line, not sure though