This article discusses the importance of upgrading to smart lock systems to enhance car security, focusing on the crucial role of the door lock actuator. It explains how smart lock systems, including remote keyless entry, smart key technology, and biometric access, work with door lock actuators to provide enhanced security and convenience. The benefits of these systems, such as improved security, convenience, and peace of mind, are highlighted. Additionally, common issues with door lock actuators and maintenance tips are provided to ensure their optimal performance. Understanding and maintaining door lock actuators are key to maximizing the security features of smart lock systems.