Smart keys are advanced car keys that use technology to enhance convenience and security. Unlike traditional keys, smart keys often come with features like keyless entry and push-button start, allowing drivers to unlock and start their vehicles without physically inserting a key. This technology typically relies on a small transmitter in the key fob that communicates with the car's systems. In addition to convenience, smart keys improve security by using encrypted signals to prevent unauthorized access. If a smart key is lost or stolen, it can be easily deactivated, ensuring that only the rightful owner can access their vehicle. This makes smart keys a popular choice for modern automobiles.