This device is mounted to the inside of your vehicle door, and it includes a motor, cable and gears, and linkage, contributing to the anti-theft system.
Answer Door Lock Actuator
The door lock actuator is made up of a motor and gears that extend or retract a cable, allowing the door to lock and unlock with the push of a button.
Asked by DRay585 · Last updated 5 years ago · 5.9K views · SOURCE