Ford 2004 Expedition Owner's Manual page 130

Driver Controls
This acts as a reminder that these warning conditions still exist within
the vehicle.
Warning display
Check backup aid (if equipped)
PRNDL error no backup aid (if
equipped)
Door ajar
Liftgate or liftglass ajar
Warning-tire very low (if
equipped)
Low fuel level
Check charging system
Low brake fluid level
Low oil pressure
Check engine temperature
Reduced engine power
Stop engine safely
Check tire pressure (if equipped)
Tire pressure system fault (if
equipped)
Tire pressure sensor fault (if
equipped)
Low washer fluid level
Check AdvTrac (if equipped)
Check suspension (if equipped)
Air suspension switched OFF (if
equipped)
Check fuel cap
PARK ASSIST ON/OFF (if equipped). Displayed when the
transmission is in R (Reverse) and the Backup Aid is disabled. Refer
toBackup Aid in this section to enable.
CHECK PARK ASSIST (if equipped). Displayed when the
transmission is in R (Reverse) and the Backup Aid is disabled. Refer
toBackup Aid in this section to enable.
DOOR AJAR. Displayed when a door is not completely closed.
130
2004 Expedition (exd)
Owners Guide (post-2002-fmt)
USA English (fus)
Status
Warning displays when R (reverse)
gear is selected.
Warning returns after 10 minutes
Warning returns after the ignition
key is turned from OFF to ON.