What Happened?
Elon Musk announced Tesla launched a version of its FSD system in China—dubbed Urban Road Autopilot Assistance (URAA). This update uses publicly available videos of Chinese roads and signs for training, since live data from China can’t be transferred internationally.
What the China Version Does
- Performs automatic lane changes and turn handling based on navigation.
- Detects traffic lights and intersections, navigates exits and U‑turns.
- Requires human supervision (Level 2 autonomy); not full driverless mode.
- Initially available on Model 3/Y with HW 4.0, later expanding.
How It Was Trained
- No export of local driving videos due to Chinese data rules.
- Tesla used internet video footage (YouTube, social media) to train its simulation models.
- Combined with local fine-tuning using Baidu Maps and data stored/processed in a local data center in Shanghai.
- Simulated complex Chinese features—like time-based bus lane regulations—to prepare URAA.
What Users Say
- Reddit EV bloggers report it’s performing impressively well—even in underground parking and urban U-turns .
- Some minor issues: lane drifting, red light detection, and intersection errors still occur.
Comparison: China vs US FSD
| Region | Training Method | Capability | Limitations |
|---|---|---|---|
| China (URAA) | Internet videos + simulation + local maps | Lane changes, turns, lights | Not full FSD, still early stage |
| US (FSD v13) | Real-world driving data + shadow mode | Advanced urban & highway autonomy | Mature and broader deployment |
Why It Matters
- Scalable approach: Tesla may replicate this globally—no need for per-country data collection.
- Regulatory workaround: Bypasses Chinese restrictions on exporting driving data .
- Competitive edge: Tesla still trails behind China’s BYD, Huawei, Xiaomi, etc., who offer driver-assist tech for free.
- Market pressure: Growth depends on better localization and acceptance of the $8,800 subscription.
TL;DR
Tesla’s China-specific FSD rollout uses internet videos to train its neural net in place of on-the-ground Chinese data. The new URAA system handles lane changes, turns, and traffic lights, and early users say it performs well—though it’s still behind the full US FSD, competing with low-cost local alternatives.