Mr Chad hit it ...

. Install the cigratte lighter
. Install the lower cubby portion that you have.
. There's a cubby roof that clips onto the underside of the radio console

The end?





On a stock 6th gen, this is what the upper cubby hole looks like:



It looks like you have this strapped on there though (it's a bit hard to tell)

EX Audio Attachment Kit


That extra DIN should come right off. I'm not sure how much drilling or cutting was used to mount it, but you might have some unforseen cuts in your lower dash.