Originally Posted by Louisville Glocker
In all seriousness, it sounds like you did the right thing. Stay in your vehicle. Be ready if he approaches. Don't roll your window down enough for him to attack you. LE will be on your side in virtually all scenerios here as long as you don't do something stupid (like getting out with a gun).
And make sure you're the first to call 911! If he calls 911 on you, you
might be in a whole lotta trouble when LE arrives.