How do you determine if it’s 15% “clean” or 60% “clean”?? Is there some amazing Driver Information Screen that displays what it’s program tells it to display?? I guarantee you there in NOTHING that actually monitors the condition of the oil…Honda uses an alumasil block, a process that eliminates steel cylinder liners. The factory MAY use a special “break-in” oil to protect this delicate technology during the critical (for Honda) break-in process…So I would follow the OWNERS MANUAL to the letter…