Originally Posted by AGS
I have the same recollection you do. I vaguely recall having the set-up you're looking for with the map on the left and the audio on the right. I'm still at the office, but will play with the settings on the commute home.
You can set it up as you wanted. Select the Nav button to get the map on the left. The push the controller to the right to highlight the right side. Push down on the controller for the split screen display options and select Entertainment Details.
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