Originally Posted by CMadison

I learned a valuable lesson today. If you track your oil, tire, etc. maintenance using the computer, be aware that if you replace your battery all mileage entries WILL BE DELETED. Luckily I caught mine in time, and luckily I'm running Mobil 1 full synthetic oil. I simply forgot about how far I'd gone without an oil change... which ended up being just under 18,000 miles.