July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
Manual Up / Down Function does not Operate on Driver Side: Wiring Diagram
WARNING: This page is about a different car, the 2009 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Manual Up/Down Function Not Operate On Driver Side - Wiring Diagram