do you have the big info pack which should go with all Winnebago and have the owners manual?
The manual is online here:
https://www.winnebago.com/Files/File...7Sightseer.pdf
Down about 3-10 will give the details but the more important thing might be the big allen key that you should have gotten. Not especially hard to replace but guessing which size can be iffy if you don't have a full set on hand to try!
Small point to know is that this is not to unscrew anything but to move latch by turning something like 90 degrees. Think of a finger that rotates to hook a fixed paoint inside the cover?
Also if you have carpeting in that area, feeling with a metal tool may help find the hard spot! They hide in shag carpets.
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Richard
Why no RV year, make and floorplan on MY signature as we suggest for others?
I currently DO NOT have one!