The Vemo Fuel Filler Door Lock Actuator - V10770012 is a component designed to electronically control the locking and unlocking of a vehicle's fuel filler door. It is specifically designed to fit certain makes and models of cars, and is responsible for ensuring that the fuel filler door remains securely locked when the vehicle is not in use. This actuator is made by Vemo, a reputable manufacturer of automotive parts, and is a reliable and durable solution for vehicles that require a functioning fuel filler door lock.