车门把手存失灵隐患，约17.4万辆特斯拉电动车遭调查

Core Viewpoint - The U.S. National Highway Traffic Safety Administration (NHTSA) is investigating approximately 174,000 units of the 2021 Tesla Model Y due to potential malfunctioning door handles, which may pose a safety risk [2] Summary by Relevant Sections - Investigation Details - The investigation involves around 174,000 units of the 2021 Tesla Model Y [2] - The issue is believed to be related to insufficient power supply from the vehicle's low-voltage battery [2] - Potential Outcomes - If the investigation confirms a serious safety hazard, the NHTSA may require Tesla to recall the affected vehicles [2]