Engine Coolant Temperature Gage; Malfunction Indicator Lamp; Service Engine Soon Light - Cadillac 1999 DeVille Owner's Manual

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Engine Coolant Temperature Gage

Analog Cluster
That reading means the same thing as the warning
--
light
the engine coolant has overheated. See
"Engine Overheating" in the Index.
This gage shows the engine
coolant temperature. If
the gage pointer moves into
the red area, the engine is
too hot.

Malfunction Indicator Lamp

(Service Engine Soon Light)

This system is called OBD II (On
-
Diagnostics
Second Generation) and is intended to
assure that emissions are at acceptable levels for the life
of the vehicle, helping to produce a cleaner
environment. The SERVICE ENGINE SOON light
comes on and a chime will sound to indicate that there is
a problem and service is required. Malfunctions often
will be indicated by the system before any problem is
apparent. This may prevent more serious damage to
your vehicle. This system is also designed to assist
your service technician in correctly diagnosing
any malfunction.
yellowblue
Your vehicle is equipped
with a computer which
monitors operation of the
fuel, ignition and emission
control systems.
-
Board
2-73

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