Check Charging System; Low Oil Pressure; Check Advtrac (If Equipped); Air Suspension Switched Off (If Equipped) - Ford Expedition 2003 Owner's Manual

Driver Controls
CHECK CHARGING SYSTEM. Displayed when the electrical system is
not maintaining proper voltage. If you are operating electrical accessories
when the engine is idling at a low speed, turn off as many of the
electrical loads as soon as possible. If the warning stays on or comes on
when the engine is operating at normal speeds, have the electrical
system checked as soon as possible.
LOW BRAKE FLUID LEVEL. Indicates the brake fluid level is low and
the brake system should be inspected immediately. Refer to Checking
and adding brake fluid in the Maintenance and specifications
chapter.
LOW OIL PRESSURE. Displayed when the engine oil pressure is low. If
this warning message is displayed, check the level of the engine oil.
Refer to Engine oil in the Maintenance and specifications chapter for
information about adding engine oil. If the oil level is OK and this
warning persists, shut down the engine immediately and contact your
dealership for service.
LOW WASHER FLUID LEVEL. Indicates the washer fluid reservoir is
less than one quarter full. Check the washer fluid level. Refer to
Windshield washer fluid in the Maintenance and specifications
chapter.
CHECK ADVTRAC (if equipped). Displayed when the AdvanceTrac
system is not operating properly. If this message is displayed on the
message center the AdvanceTrac system may be partially operable. If
this warning stays on while the engine is running, contact your dealer for
service as soon as possible. For further information, refer to
stability enhancement system in the Driving chapter.
AdvanceTrac
CHECK AIR SUSPENSION (if equipped). Displayed when the air
suspension system is not operating properly. If this message is displayed
while driving, pull off the road as soon as safely possible. For more
information, refer to Air suspension in the Driving chapter.
AIR SUSPENSION SWITCHED OFF (if equipped). Displayed when
the air suspension switch is in the OFF position. For more information,
refer to Air suspension in the Driving chapter.
CHECK FUEL CAP. Displayed when the fuel filler cap is not properly
installed. Check the fuel filler cap for proper installation. Refer to Fuel
filler cap in the Maintenance and specifications chapter.
TIRE PRESSURE SYSTEM OFF (if equipped). Displayed when the
tire pressure monitoring system is turned off. Only your dealer can turn
the system on or off. It is recommended that the tire pressure
monitoring system is always turned ON.
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