symbol

I have Symbol below the map screen to the right of the Bluetooth Symbol. It looks like a highway with a speaker on top to the right with an X on top of the speaker. My Radio sound works. I when though the setting on the screen and did not see any thing relating to this. I looked through the...

Seems like I remember that the car symbol on my Navi screen used to be just the orange/ red triangle. Now it has a gray circle around it. Am I just not straight on this; did it always have the circle? Any help would be appreciated.:D