比亚迪汽车：辅助驾驶车辆保有量超256万辆

Group 1 - The core point of the article is that BYD has reported significant growth in its autonomous driving vehicle fleet and data generation capabilities [1] Group 2 - BYD's auxiliary driving vehicle ownership has exceeded 2.56 million units [1] - The "Tian Shen Zhi Yan" auxiliary driving system generates over 160 million kilometers of data daily [1]