How do you fix the door locks on a 2002 Saturn S?

To fix the door locks on a 2002 Saturn S, first, check the fuses related to the power locks and replace any blown fuses. If the locks are still not functioning, inspect the wiring and connections in the door panel for any damage or corrosion. You may need to remove the door panel to access the lock actuator; if it's faulty, consider replacing it. Finally, lubricate the locking mechanism to ensure smooth operation.