- Quick response and precise control: This headlight switch control module enables automatic headlights in less than 1 second, delivering fast response and flexible control to achieve precise light management and a seamless driving experience. - Auto-On/Off function: The switch can be set to automatic. When ambient brightness is lower or higher than the set value, the headlights automatically turn on or off for daily use. Leave homepage: Only headlights are supported. - Easy installation and direct replacement: Designed for simple installation and user-friendly operation, it is suitable for worn or broken headlight switches and is directly replaceable. - Compatibility and fit tips: Please check the OEM part number of the headlight switch assembly to be replaced before placing an order to ensure you are buying the correct product. - Practical use scenarios: - City driving at dusk: automatic headlights adjust promptly to changing light levels for safer visibility. - Rural or highway night driving: headlights activate as ambient light fades and deactivate when brightness returns. - Replacing an aging switch: restores reliable automatic headlight control on vehicles with a worn or faulty switch.