Android Automotive is an operating system that runs directly on a vehicle's hardware, allowing access to features like navigation and music streaming without needing a smartphone connection. It manages various car functions, including climate control and seat ventilation, and can interact with Google’s Gemini for system control. In contrast, Android Auto mirrors a smartphone's interface on the car's display and primarily provides access to screen and audio output. Updates for Android Auto are managed through the smartphone, while Android Automotive updates are delivered by the vehicle manufacturer, which can vary in timeliness. Android Auto is widely available across many vehicles, whereas Android Automotive is less common and requires manufacturers to integrate it into the car's architecture.