Ding! Ding! Ding! The long, strange fight over your car’s seat-belt chime.

Federal regulators have not finalized updated rules for vehicle seat-belt reminder systems despite safety data showing the chimes reduce unbelted driving. The National Highway Traffic Safety Administration has been reviewing seat-belt chime standards for several years. Seat-belt reminders are designed to alert drivers and passengers when safety belts are not fastened.

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