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.
Remove the splash shields.
Fig 1: Identifying Splash Shields
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the drain cover (A).
Fig 2: Drain Cover And Bolt With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the parts in the reverse order of removal.