Final rule · 2025-01832

Federal Motor Vehicle Safety Standards; Automatic Emergency Braking Systems for Light Vehicles

This document delays the effective date of the November 26, 2024 final rule partially granting petitions for reconsideration of a May 9, 2024 final rule that adopted Federal Motor Vehicle Safety Standard (FMVSS) No. 127, "Automatic Emergency Braking for Light Vehicles," which requires automatic emergency braking (AEB), pedestrian automatic emergency braking (PAEB), and forward collision warning (FCW) systems on all new light vehicles.