you just right mouse it and change to either Tangent or Disjoint edit.
In the screencast to the right, the Fade Auto has pink colored curves and control points are seen as dashed lines next to the keyframe box with black filled circles on each end of the line. Use the Ctrl key with the left mouse button to modify the control point lines.
+See \ref{sec:workflow_keyframes_plugins} for a pratical example.
+
\section{Speed\,/\,Fade Automation Usage and Auto Gang}%
\label{sec:speed_fade_automation_gang}
\index{keyframes!auto gang}