July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
Without navigation (DX Model)
WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Audio Unit Inputs And Outputs Connector Location (Without Navigation - DX Model)