Oil change required on 2009 Mercury Mariner

I got a message " Oil change required". After changing oil, this message still persists despite resetting. What can be done

by in Stony Brook, NY on June 25, 2010
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2 answers 1 comment
ANSWER by , June 26, 2010
On the previous year model, set control to system check function, press and release the SET control to read XXX% hold set new, press and hold SET NEW, press and hold for 2 seconds or until display says 100%.
COMMENT by , June 27, 2010
Thank you very much. It seems to be working
ANSWER by , February 22, 2011
Hold down "SET" button and it will re-set to 3000 miles automatically