Chevrolet 2000 Lumina, Owner'S Manual, Page: 121 / 322

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Engine Coolant Temperature Light
This light tells you that
your engine coolant has
overheated or your
radiator cooling fan(s) are
not working.
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.
See “Engine Overheating” in the Index.
Engine Coolant Temperature Gage
You have a gage that
shows the engine coolant
temperature. If the gage
pointer moves into the red
area, your engine is too hot!
That reading means the same thing as the warning light.
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.
See “Engine Overheating” in the Index.