Originally Posted by
onehundred80
The reservoir does not fill past the top of the tank as it has an overflow there. The overflow lets the fluid fall to the ground. When the low washer fluid light comes on you can put in 4 litres anymore flows out the overflow.
interesting. So basically it’s possible that the reservoir is actually fine? Perhaps one way to check it would be to put less than a gallon and see how much drains. In the case that it empties, of course something needs replacement. I hope I’m expressing this correctly, let me know.
Cheers!