Question about 2009 Mercury Grand Marquis
There are instructions in the owners manual. These are for when you get the final "Oil Chanmge Required" message:
To reset the oil monitoring system to 100% after each oil change
(approximately 7,500 miles [12,000 km] or six months) perform the
1. Press and hold the RESET
control for two seconds and release.
Oil life is set to 100% and “OIL LIFE
XXX% HOLD RESET IF NEW OIL”
2. Press and hold the RESET
control for three seconds and
release. Oil life is set to 100% and
“OIL LIFE START VALUE SET TO
XXX%” is displayed.
If you don't have the manual, you can download it at http://www.motorcraftservice.com/pubs/content/~WO9GRN/~MUS~LEN/41/09grnog2e.pdf
Posted on Aug 25, 2010
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Posted on Jan 02, 2017
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