WARNING: This page is about a different car, the 2013 Honda Fit, 2012 Honda Fit, 2011 Honda Fit, 2010 Honda Fit, and 2009 Honda Fit. However, it is still accessible from the selected car via links, so may be relevant.
To reconnect the connector, push in on the connector sleeve (A). As the connector is pressed in, the lever (B) moves to the locked position. Push the lever in until it clicks.