\begin{tikzpicture}
	\begin{umlsystem}[x=4, y=0, fill=black!15]{CACC/Platooning}
		\umlusecase[x=0, y=0,   width=18mm, fill=green!30]{\nameref{UC:showStatus}}
		\umlusecase[x=5, y=-5,  width=18mm, fill=blue!20]{\nameref{UC:runPlatoon}}
		\umlusecase[x=5, y=-15, width=18mm, fill=blue!40]{\nameref{UC:joinPlatoon}}
		\umlusecase[x=1, y=-11,  width=18mm, fill=blue!40]{\nameref{UC:leavePlatoon}}
    \umlusecase[x=1, y=-5,  width=28mm, fill=green!30]{\nameref{UC:changePlatoonData}}
    \umlusecase[x=3, y=-17, width=34mm, fill=green!30]{\nameref{UC:changeSpeed}}
	\end{umlsystem}
	
	\umlactor[x=0,  y=-11]{Operator}
	\umlcar[x=15, y=-10]{LV}
	\umlcar[x=15, y=-5]{FV}
	\umlcar[x=15, y=-15]{PFV}
	\umlcar[x=15, y=1]{GV}
	
	\umlHVHinherit[arm2=16mm]{LV}{GV}
	\umlHVHinherit[arm2=16mm]{FV}{GV}
	\umlHVHinherit[arm2=16mm]{PFV}{GV}
  
	\umlassoc{Operator}{usecase-1}
	\umlassoc{Operator}{usecase-4}
	\umlassoc{Operator}{usecase-5}
	\umlassoc{Operator}{usecase-9}
	\umlassoc{Operator}{usecase-10}
  
	\umlassoc{LV}{usecase-3}
	\umlassoc{LV}{usecase-4}
	\umlassoc{LV}{usecase-5}
	\umlassoc{LV}{usecase-9}
  
	\umlassoc{FV}{usecase-3}
	\umlassoc{FV}{usecase-5}
  
  	\umlassoc{PFV}{usecase-4}
	\umlassoc{PFV}{usecase-10}
  
	\umlassoc{GV}{usecase-1}
  
\end{tikzpicture}
