<p>➀ Fraunhofer IOSB introduces AktiMeter, an innovative in-cabin monitoring system using Vision Language Models (VLMs) to detect any activity—including previously unknown scenarios—without retraining, enhancing autonomous vehicle safety and passenger comfort;</p><p>➁ Unlike traditional systems requiring specific activity training, AktiMeter leverages pre-trained AI knowledge to reduce development costs and time while ensuring local data processing for privacy compliance;</p><p>➂ The system benefits automakers in prototyping and market research through anonymized analytics, showcased at IAA Mobility 2025 as a leap in intelligent vehicle interiors.</p>