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. Display Setup
You can change the brightness or color theme of the audio/information screen.
Changing the Screen Brightness
1. Press the MENU/CLOCK button.
2. Rotate to select Settings, then
press
.
3. Rotate to select Display
Adjustment,
then press .
4. Rotate to select ...