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To enhance drivers' convenience and safety, headlamps and headlamp control systems have been remarkably improved. For example, in daytime driving condition, auto-lighting systems support drivers especially when they repeat entering and exiting tunnels in mountain areas. On the other hand, in nighttime driving conditions, the higher luminance headlamp HID gives drivers the enhanced visibility and Adaptive Front-lighting System (AFS) offers them the increased forward visibility on curves. Nevertheless, their performances are not yet enough developed to meet the market demands. In case of entering tunnels, the lighting-up timing is sometimes later than desired. In case of HID and AFS, their potentials are sometimes unnecessarily restrained to prevent glare to oncoming vehicles even they don't exist. These problems should be solved by adding the scene sensor to those systems.