How do you replace top door moulding on 2001 grand prix 2 door?

To replace the top door moulding on a 2001 Grand Prix 2-door, first, remove any screws or clips holding the old moulding in place. Carefully pry it off using a trim removal tool to avoid damaging the surrounding areas. Clean the surface where the new moulding will be applied, then align and press the new moulding into place, securing it with the original clips or screws. Ensure it is properly seated and check for any gaps before finishing up.