Today, manual locks for car doors are almost done. Majority of automobiles these days are installed with power locks and it’s rare to see cars with traditional door locks. These locks are more convenient and are easier to use.
However when power door locks stop working, they become a real pain. Usually, power door locks become problematic because of their actuators, small electric motors that are used in locking and unlocking car door. Actuators are activated by switch or a remote.
To learn more on how actuator works and how do they get broken and cause problems to cars with power door locks, watch the video below: