After last weekend's torrential rains (and the passenger side rear floorboard filling with water) , I finally took it in to have them fix it. Took them about 5 hours, and they had to give me a loaner. The tech that did it told me he was amazed it even drained halfway correct. Said it was the worse drain tube installation he had ever seen. They ended up ripping it all out, and re-doing it themselves. For those of you with sunroofs, keep a good eye on them when it rains.