Explore the discovery of a novel RTOS running on automotive head units through hardware hacking and reverse engineering techniques in this 24-minute conference talk. Learn how thousands of vehicles contain this previously unknown operating system that exhibits numerous bugs and intriguing functionalities. Discover the process of crafting a malicious PNG file that serves as a backdoor to compromise automotive head unit systems, demonstrating critical vulnerabilities in current automotive technologies. Gain insights into the innovative features present in these systems while understanding the security implications and attack vectors that affect modern vehicle infotainment systems through practical demonstration and technical analysis.