Navigator Box in Honda Odyssey Touring on 2007 Honda Odyssey

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After coming from the car wash and getting the interior cleaned by the car wash attendants, my navigator will not work. There is a pop up message saying the Navigator box is open or there is no DVD. Where is the navigator box? I suspect the car wash attendants might have inadvertently pressed a button or something.
(1) Answer
I am thinking the DVD drive for the navigation unit is at the bottom of the center stack? Maybe the center console?

Either way, i'm concerned your DVD may be missing!