Sentra L4-2.0L (MR20DE) (2010)
3. Using a plastic "finesse stick" or similar trim tool, push on the mid-section area to fully seat the weatherstrip.
^ Run your finger down this area to feel for any high spots. High spots will indicate where the weatherstrip ridge is not fully seated. Reseat as needed.
4. Carefully lift the weatherstrip slightly to see if it is fully seated. Reseat as needed.
^ Figure 6 shows an OK condition.