中国监管部门已明确禁止L2级辅助驾驶车辆安装智驾小蓝灯，从2026年7月27日起新认证车型将不予通过审核1。这一禁令源于蓝色属于公安、消防、救援等特种车辆的专属灯色，而现行国标GB 4785-2019仅允许白、红、琥珀、黄四种外部信号灯光1。为确保执行效果，监管体系形成了"新车禁装、存量整改、年检严控"的全链条管控体系1，存量车将通过OTA升级、硬件适配等方式关闭行驶状态下的蓝灯点亮功能1。
尽管L2级车型面临禁用，但业界普遍认为L3级自动驾驶因涉及人车权责的重大变化，需要外部标志提示其工作状态，L3将成为配备智驾提示灯的标配1。国际标准SAE J3134规定使用青绿色光源标识自动驾驶状态1。工信部曾在2021年国家标准征求意见稿中规定L3级及以上车辆应配备ADS标志灯，但这一条款在2024年正式发布的国标中被删除1。《智能网联汽车自动驾驶系统安全要求》强制性国家标准将在2027年7月1日正式实施1，新的标准框架预计将重新定义L3级以上车型的提示灯要求。理想L9曾在2022年率先搭载5颗智驾小蓝灯1，成为这一阶段的代表产品。
China's regulatory authorities have prohibited Level 2 assisted driving vehicles from installing the "smart driving blue indicator light" effective July 27, 2026, with new vehicle models failing certification if equipped with the feature 1. The ban stems from blue being a color reserved exclusively for specialized vehicles such as police cars, fire trucks, and emergency responders, while the current mandatory national standard GB 4785-2019 permits only white, red, amber, and yellow for external signal lights 1.
The regulatory framework now encompasses a comprehensive control system spanning "prohibition on new vehicles, retrofitting of existing fleets, and strict inspection protocols" 1. Existing vehicles equipped with blue lights will have the illumination function disabled during operation through over-the-air updates and hardware adaptations 1. However, Level 3 autonomous driving systems are expected to receive different treatment due to their fundamental shift in human-vehicle responsibility allocation, with industry consensus pointing toward Level 3 vehicles becoming the standard bearer for smart driving indicator lights 1. This aligns with international standards, as the SAE J3134 specification designates cyan-green light sources for marking autonomous driving status 1.
The broader regulatory landscape reflects earlier intentions that were subsequently reversed: the Ministry of Industry and Information Technology's 2021 draft national standard specified that Level 3 and above vehicles should be equipped with automatic driving system indicator lights, but this requirement was removed from the final national standard published in 2024 1. A new mandatory national standard on intelligent connected vehicle automatic driving system safety requirements is scheduled for formal implementation on July 1, 2027 1.
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