WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
Install the door auxiliary weatherstrip to the vehicle.
Position the weatherstrip and press the weatherstrip into place. Ensure that the retaining clips lock into place.
Fig 1: Installing Door Auxiliary Weatherstrip To Vehicle