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 Service Manual. Front Door Outer Handle Removal and Installation (4-door)
818110 LEFT
819110 RIGHT
1.
Front Door Power Window Switch Panel (4-door)
1.
Remove the power window switch panel (A).
...