Ford Expedition 2009 Owner's Manual page 607

Driver Controls
The sequence of the system check report and how it appears in the
message center is as follows:
1. OIL LIFE
2. CHARGING SYSTEM
3. WASHER FLUID LEVEL
4. DOOR STATUS
5. LIFTGATE/GLASS
6. BRAKE FLUID LEVEL
7. AIR SUSPENSION SYSTEM (if equipped)
8. FUEL LEVEL
Oil life
An oil change is required whenever indicated by the message center and
according to the recommended maintenance schedule. USE ONLY
RECOMMENDED ENGINE OILS.
To reset the oil monitoring system to 100% after each oil change
(approximately 7,500 miles [12,000 km] or six months) perform the
following:
1. Press and release the SETUP
control to display "OIL LIFE XXX%
HOLD RESET = NEW".
2. Press and hold the RESET
control for two seconds and release.
Oil life is set to 100% and "OIL LIFE
SET TO 100%" is displayed.
Note: To change oil life 100% miles value from 7,500 miles (12,000 km)
or six months to another value, proceed to Step 3.
3. Once "OIL LIFE SET TO XXX%" is displayed, release and press the
RESET control switch to change the Oil Life Start Value. Each release
and press will reduce the value by 10%.
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2009 Expedition (exd)
Owners Guide, 2nd Printing
USA (fus)