The KIA OCV051173L Navigation-based Smart Cruise Control enhances your driving experience by automatically adjusting your vehicle's speed based on real-time navigation data and traffic conditions. It operates on main roads and highways, providing a smoother and safer ride. The system displays its status on the instrument cluster and includes features like Highway Curve Zone Auto Slowdown and Highway Set Speed Auto Change for optimal speed control. Please refer to your vehicle's user manual for more detailed instructions and limitations.