The ECON button turns the ECON mode on and off.
The ECON mode helps you improve your fuel economy by adjusting the performance of the engine, transmission, heating system*/climate control system*, and cruise control*.
Honda Civic Owners Manual. Refueling
Refueling From a Portable Fuel Container
If you have run out of fuel and need to refuel your vehicle from a portable
fuel
container, use the funnel provided with your vehicle.
Turn off the engine.
Press on the edge of the fuel fill door to
make it pop up slightly.
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