Honda 2007 Civic Hatchback Owner's Manual page 184

You can also lower this lid to the
bottom of the storage area to extend
the luggage space. Open the lid, pull
it toward you fully to disengage the
lid from the support rods, then lower
the lid on the bottom of the storage
area.
Interior Convenience Items
To lower the lid:
Instruments and Controls
Pull out
the lid.
Lower
the lid.
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