WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
Remove the screw that retains the seat back recliner lever to the seat back recliner.
Remove the seat back recliner lever from the seat back recliner.
Fig 1: Removing Seat Back Recliner Lever From Seat Back Recliner (Front)