When we purchased our Honda Fit in 2009, we were taught about the built-in Maintenance Minder (MM) by our salesman. He stressed how important it was to follow the MM timing for our service. As we drove it the first year, I was amazed at how slowly the MM counted down. We made it past 10,000 miles without it getting to 0%. Thinking something was wrong, I even brought it in to the dealer's service department at around 10k miles with 30% remaining on the MM. The service writer told me the oil didn't need changing and to come back when it was at 15% or lower. He didn't seem phased by the 10k miles on the oil. For a few more cycles -- before I was introduced to BITOG -- our Fit's MM didn't hit 10-15% until somewhere around 10k miles each time, sometimes more. The MM even had an "A" and "B" code. An "A" code was oil change only, no filter change. A "B" code involved both oil and filter change. A and B codes alternated. Essentially, before I was introduced to BITOG, I was blissfully doing 10k+ mile OCIs with 20k mile filter changes performed at the dealership each time. Now after being introduced to the world of BITOG around 2012, here I am running 7,500 - 9,000 mile OCIs and being so concerned about the possibility of engine wear I am getting UOAs on my oil changes. I'm also changing my filter with every oil change. My oil changes are out of synch with the MMs recommendations because I'm doing them more frequently. So is Honda's MM logic wrong or am I simply unhealthily obsessed with oil changes now? Am I doing something wrong by changing the filter each time? Does it make sense that the MM was recommending 10k OCIs for us?