Oldsmobile 2002 Alero - Manual (Page 128)

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Engine Coolant Temperature Gage
This gage shows the engine
coolant temperature. If the
gage pointer moves into the
red area, the light comes on
and you hear a chime, your
engine is too hot. It means
that your engine coolant has
overheated.
See “Engine Overheating” in the Index.
Low Coolant Warning Light
This light comes on briefly
when you turn your ignition
on.
If this light comes on and stays on and you hear a chime,
the coolant level in your vehicle is low. See “Engine
Coolant” in the Index. If the light is on along with an
overheat warning, you may have a serious overheating
problem. See “Engine Coolant Temperature Gage” listed
previously.
NOTICE:
Damage to your engine from neglected coolant
problems can be costly and is not covered by your
warranty.
See “Engine Overheating” in the Index for information
on what to do. Your vehicle should be serviced as soon
as possible.