What causes the ECO light in a Toyota Camry LE?

The ECO light in a Toyota Camry LE indicates that the vehicle is operating in an efficient fuel economy mode. It typically illuminates when the engine and transmission are optimizing performance for fuel efficiency, often during gentle acceleration or cruising at moderate speeds. Drivers may see the light turn on and off based on their driving habits and conditions. If the light remains on consistently, it suggests the driver is maintaining an eco-friendly driving style.