Item 3: Safety Belt And Retractor Assembly Bolt Removal Note
WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. However, it is still accessible from the selected car via links, so may be relevant.
For driver safety belt and retractor assembly on vehicles with auxiliary climate control, remove the nut and the auxiliary climate control floor duct.
Fig 1: Removing Nut And Auxiliary Climate Control Floor Duct