Proposed rule · 2026-23239

Federal Motor Vehicle Safety Standards; Modernization of FMVSS No. 108 To Accommodate ADS-Equipped Vehicles

In response to requests from the Alliance for Automotive Innovation (the Alliance), Society of Automotive Engineers (SAE) International, and Gatik AI Inc. (Gatik), NHTSA is announcing a 15-day extension of the public comment period for the notice of proposed rulemaking (NPRM) published on October 26, 2026 proposing to amend Federal Motor Vehicle Safety Standard (FMVSS) No. 108, "Lamps, reflective devices, and associated equipment." The proposed modifications would distinguish how regulations apply to vehicles with and without manually operated driving controls. The comment period for the notice was originally scheduled to end on November 25, 2026. It will now end on December 10, 2026.