This article addresses the common issue of car door lock freezing during cold weather, often caused by moisture affecting the door lock actuator. It explains the function of the actuator and details several solutions, including using lubricants, de-icer sprays, warming the lock, and insulating the actuator to prevent freezing. The article emphasizes the importance of regular maintenance and suggests replacing a faulty actuator if freezing persists. By following these steps, drivers can ensure their door lock actuator remains functional in freezing conditions.