How-to-free-a-jammed-door-lock, how to repair a door lock. how to fix a sticking door lock. lets face it, there's nothing more annoying than not being able to insert your key or remove your key from a corroded door lock.. When you are looking for the answer of how to fix a door lock that is jammed, when the symptom has nothing to do with the lock, the solution will be to fix the door. 5. rusted locks. it is a very common occurrence for locks to begin to rust, especially if they have been installed, and in use, for extended periods of time., the door locks seem to be honda's achilles heel, judging by the forum posts and, as the problem is now at least 9 years old, it is high time that honda got their act together and sorted it! although i love the jazz as a car, i have lost all faith in the maker and will avoid hondas in future.