ash tray, cup holder lids toss pens,papers into suck hole

I work as a real estate broker and have an '05 Escalade EXT which buyers love to ride in. Had an expensive pen (gift from wife) lying on the lid over ash tray or cup holder. Opened the lid and the pen rolled into the "suck hole". Took everything apart I could find but could not gain access to compartment below to search for lost articles. By now, I have a treasure trove of lost stuff in that suck hole. How do I access under there? I'd like to make my wife happy! Tedsimon