According to the Shanghai Cyberspace Administration, Tesla's in-car voice AI model service completed its filing on April 20. The *Science and Technology Innovation Board Daily* learned from informed sources that Tesla's in-car voice service will be integrated with the Doubao large model. Notably, the "Tesla In-Car Voice Assistant Terms of Use" on Tesla China's official website previously indicated that the Tesla Model Y L will be equipped with both the Doubao large model and the DeepSeek model, both of which are accessed through Volcano Engine. Among them, the Doubao large model will handle voice command functions, such as navigation settings, media playback control, air conditioning temperature adjustments, and also includes a vehicle owner manual query function; the DeepSeek model provides AI interactive services.