Ford 2003 Explorer Owner's Manual page 76

Driver Controls
ADVTRAC OFF T/C ON. Displayed on 4x4 vehicles only when 4x4 Low
Range is selected. In this mode, the stability enhancement portion of the
AdvanceTrac is disabled, but the traction enhancement feature remains
enabled. For further information, refer to AdvanceTrac stability
enhancement system in the Driving chapter.
DOOR AJAR. Displayed when a door or liftgate is not completely
closed.
CHANGE OIL SOON/OIL CHANGE REQUIRED. Displayed when the
engine oil life remaining is 5 percent or less. When oil life left is between
5% and 0%, the CHANGE OIL SOON message will be displayed. When oil
life left reaches 0%, the OIL CHANGE REQUIRED message will be
displayed.
An oil change is required whenever indicated by the message center.
USE ONLY RECOMMENDED ENGINE OILS.
To reset the oil monitoring system to 100% after each oil change
[approximately 8,000 km (5,000 miles) or 180 days] perform the
following:
1. Press the SETUP control to
access the System Check function.
2. Press and release the RESET
control to display "OIL LIFE XX%
HOLD RESET NEW".
3. Press and hold the RESET
control for 2 seconds to display "IF
NEW OIL HOLD RESET".
4. Press and hold the RESET
control to display OIL LIFE SET TO
100%. Your oil life is now reset.
75
2003 Explorer (exp)
Owners Guide (post-2002-fmt)
USA English (fus)