2009 Mercury Mariner Q&A
2009 Mercury Mariner Question: Oil change required
I got a message " Oil change required". After changing oil, this message still persists despite resetting. What can be done - Visitor
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%. - patrick mannion
Hold down "SET" button and it will re-set to 3000 miles automatically - whs
how to reset "oil change required" message after serviced.