CHEVROLET 1999 Cavalier - Manual (Page 134)

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Engine Coolant Temperature Gage
Standard Cluster Optional Cluster
Your vehicle is equipped with one of these gages. With
the ignition in RUN, this gage shows the engine coolant
temperature.
If the gage pointer moves into the red area, your engine
is too hot! It means that your engine coolant has
overheated. If you have been operating your vehicle
under normal driving conditions, you should pull off the
road, stop your vehicle and turn off the engine as soon
as possible.
In “Problems on the Road,” this manual shows what to
do. See “Engine Overheating” in the Index.
Low Coolant Warning Light
If this light comes on and
stays on, your system is low
on coolant and the engine
may overheat.
See “Engine Coolant” in the Index and have your
vehicle serviced as soon as you can.
Malfunction Indicator Lamp
(Service Engine Soon Light)
Your vehicle is equipped
with a computer which
monitors operation of the
fuel, ignition and emission
control systems.