Guys I am very angry. Principle is what matters here. I am just off the phone to the muppets in the local Audi service. I dropped my car there this morning as the wash function on the rear windsreen wiper had failed. The wiper is fine it is the actual water jet that isn't working. They siad that wiper blades are not covered under warranty. I told them I don't want to replace the wiper blade. I want the bloody wash function working again. Am I in the right to presume that this should be covered under warranty? It is an electrical failure I presume.