雷军马年首次直播谈汽车安全，详细介绍新一代SU7门把手

Core Viewpoint - Xiaomi Group emphasizes safety as the top priority in its automotive development, with a commitment to invest significantly in safety features and technology for its vehicles [1] Group 1: Safety Commitment - Xiaomi's automotive safety philosophy is encapsulated in the motto "safety above all," with a dedicated team of over 3,500 people focused on safety [1] - The company plans to establish a safety advisory committee to enhance public communication regarding vehicle safety, involving experts from academia and media [1] Group 2: New Model Features - The new generation SU7 has begun pre-orders and is expected to be officially launched in April, featuring a body composed of 90.3% high-strength steel and aluminum [1] - The SU7 includes advanced safety upgrades such as 2200MPa ultra-high-strength steel in critical areas and an increase in airbags to a total of nine, including two new rear side airbags [1] Group 3: Locking Mechanism and Battery Safety - The SU7's door locking mechanism features a three-tier power redundancy system to ensure mechanical unlocking in emergencies, even if the vehicle's power is compromised [2][4] - Xiaomi is actively involved in battery development and manufacturing, with a dedicated battery factory that covers the entire battery pack process, and has submitted 486 patents related to battery systems [4]