Normally I wouldn't ask and just go down to 15% on the OLM, but we took a vacation that racked up 4000 miles in a week. While the vehicle performed flawlessly, I'm sitting at 6600 mi and the OLM reads 50%. Honda recommends running down to 15% even on the first change. I'm a bit nervous about going down to 15%. I'm not sure where that's going to put me on the odometer. Should I change it out early or let it ride? How stout is the FF in these vehicles?