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WARNING LIGHTS AND CHIMES
Warning lights and gauges can alert you to a vehicle condition that may
become serious enough to cause expensive repairs. A warning light may
illuminate when a problem exists with one of your vehicle’s functions.
Many lights will illuminate when you start your vehicle to make sure the
bulb works. If any light remains on after starting the vehicle, have the
respective system inspected immediately.
Service engine soon: The Service
engine soon indicator light
illuminates when the ignition is first
turned to the ON position to check
the bulb. Solid illumination after the engine is started indicates the On
Board Diagnostics System (OBD-II) has detected a malfunction. Refer to
On board diagnostics (OBD-II) in the Maintenance and Specifications
chapter. If the light is blinking, engine misfire is occurring which could
damage your catalytic converter. Drive in a moderate fashion (avoid
heavy acceleration and deceleration) and have your vehicle serviced
immediately.
Under engine misfire conditions, excessive exhaust temperatures
could damage the catalytic converter, the fuel system, interior
floor coverings or other vehicle components, possibly causing a fire.
Check fuel cap (if equipped):
Illuminates when the fuel cap may
not be properly installed. Continued
driving with this light on may cause
the Service engine soon warning
light to come on. Refer to Fuel
filler cap in the Maintenance and Specifications chapter.
C
D
H
L
H
E
F
C
H
BRAKE
PRN
D
2
SELECT
RESET
CHECK
GAGE
CK
SUSP
THEFT
TRANS
TEMP
4x4
LOW
RANGE
RPMX1000
MPH
km/h
0
20
40
60
80
00
20
40
60
2004 U137 Excursion (hdw)
Owners Guide (post-2002-fmt)
USA English (fus)
Instrument Cluster
Instrument Cluster
10