WARNING: This page is about a different car, the 2003 Pontiac Sunfire and 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
Use a flat-bladed tool in order to disengage the push-pin retainers (1).
Remove the center column auxiliary weatherstrip from the vehicle.
Fig 1: Removing Center Column Auxiliary Weatherstrip From Vehicle