Hi- There's a small "tee" connector for the headlight washer tubing. It frequently gets stopped up, causing the headlight washers to not work. This thing is fairly hard to find, dig around the bottom part of your radiator, tracing the washer tubing back from the headlights. The tee is plastic and small. I took popped mine apart with an exacto knife, cleaned it out, and glued it back together with a small bit of super glue. Worked fine after this. Although if you live reasonably close to a Volvo dealer, they could possibly have a new one. Good luck...