Useful reading for the moment before you call. No technical diagnosis needed.
You do not need to diagnose a lock to describe it well. A few observations from normal use can help separate a worn or damaged key, a difficult lock and a door that is no longer closing as it used to.
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“My car key is not working” can describe several different situations. Separating door access, remote buttons and starting the vehicle makes the next conversation much clearer.
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A short description, the address and the right person to approve the work. That is a useful place to begin.
