Emergencies that occur when one is locked out of home or car are routinely handled by a Sydney locksmith specialist. The finality of the sound of a lock closing usually means that safety measures are in place. One likes to hear the sound when it means that others cannot enter a private space. It does not provide that assurance when one is on the outside of his home or car without a key. It is good to know that help is only a phone call and a few minutes away.