1. Turn on the radio.
2. Press and hold the "1" and "6" presets on the radio at the same time.
3. Hold the presets for about 5 seconds or until the display flashes.
4. Use the preset buttons to enter the radio code.
5. Press and hold the "1" and "6" presets again to save the code.
6. The radio should now work properly.
If you do not know the radio code, you can contact a Honda dealer or look for the radio code in the owner's manual.