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. Audio Commands*1
The system accepts these commands on the
dedicated screen for the voice recognition
of the audio.
Radio FM Commands
Radio tune to <87.7-107.9> FM
Radio tune to <87.7 -107.9> HD <1-8>
FM
Radio FM preset <1-12>
Radio AM Commands
Radio tune to <530-1710> ...