Authors - Shaik Shafi, C Santhoshi Abstract - In the recent past, vehicle theft in India has increasing nearly 2.5 times, with more than 2 lakh vehicles stolen annually. The Delhi NCR region alone accounts for over 30% of reported cases, and in Delhi, a vehicle is reportedly stolen approximately every 14 minutes. These alarming trends highlight the ur-gent need for stronger and smarter vehicle security mechanisms. Traditionally, vehicle anti-theft technologies have relied largely on non-biometric approaches such as GPS–GSM tracking modules. Thus, biometric authentication is an emerging security approach that limits vehicle access to authorized individuals by verifying unique biological traits such as fingerprints, facial features, iris pat-terns, or voice. Although this technology significantly strengthens vehicle security, its widespread deployment still faces certain technical and social constraints. Thus in this paper, an IoT enabled biometric ignition system with security alerts is proposed. The proposed model makes use of an ESP32 micro controller and fingerprint sensor to replace traditional keys. The system operates in two stages: first secure door access and secondly engine ignition authorization. Any unauthorized attempts trigger real-time alerts with GPS location via IoT protocols like MQTT or HTTP. Further, cloud integration enables remote monitoring, data storage, and scalability, making suitable for modern intelligent transport systems. In the same way, the fingerprint-based vehicle starter grants the privilege of starting the vehicle only to the registered users, thus deterring theft and ensuring safety. Over all, biometric vehicle ignition is a dependable, economical, and hassle-free solution to access control as well as theft prevention.
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