Now Playing: Here’s what to do when a friend leaves you alone in the car for too long.Now Playing:’We’re not going to let you go, we’re not leaving you alone’: What to do if you get your first heart attack…
Now Playing: Here’s what to do when a friend leaves you alone in the car for too long.Now Playing:’We’re not going to let you go, we’re not leaving you alone’: What to do if you get your first heart attack…