NHTSA estimated the new rule will prevent more than 500 injuries and save about 50 lives each year if and when it's fully implemented.

The NHTSA has announced a new rule that will require automakers to equip new vehicles with enhanced seat belt reminder systems for both front and rear seats.

All new cars and trucks sold in the US from September 2027 must have rear seat belt warnings. Enhanced rules for the front seat belt warning will come into effect in September 2026. NHTSA estimates that the changes will prevent 500 injuries and save 50 lives every year In a move that’ll make every backseat driver even more vocal,