So I started my engine about a month ago and randomly a little wrench popped up in the display with a number around 900. I figured it would go away but here I am a month later and the number is at around 1,200. Any ideas. My oil change is not due for over 7,000 miles btw because I know people might say that first. I am at 41,XXX miles. It may have gone off at the 40,000 mark but I don't remember a if it came up then tho. Any special service maintence I was generally supposed to do at the 40k hit?

Thanks,
Nick