Johnson Controls (NYSE:JCI) is best known as a top-tier supplier to auto giants like Ford (NYSE:F) and Toyota (NYSE:TM), but the company is actually three businesses in one. All of those businesses have intriguing potential, but what are the risks? In this video, Fool contributor John Rosevear looks at the risks facing Johnson Controls -- and points out exactly what any investor should be watching.

Fool contributor John Rosevear owns shares of Ford and General Motors. The Motley Fool recommends Ford and General Motors and owns shares of Ford. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.