NHTSA’s New Seat Belt Reminder Rule Takes Effect for New Vehicles Already in 2026
NHTSA finalized a rule that requires stronger front-seat belt reminders on new vehicles starting September 1, 2026, with rear-seat reminders following in 2027. For shoppers, the change is already influencing the feature set you may see on 2026 and 2027 model-year vehicles. The practical impact is that more vehicles should come with louder, longer, or more persistent reminder systems, but the exact implementation will vary by manufacturer and model. Buyers should verify the warning behavior on the window sticker, in the owner’s manual, or at delivery because the rule sets minimum performance requirements, not one identical display for every car.