Oldsmobile 2002 Alero - Manual (Page 264)

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CAUTION:
Turning the surge tank pressure cap when the
engine and radiator are hot can allow steam and
scalding liquids to blow out and burn you badly.
Never turn the surge tank pressure cap
-- even a
little -- when the engine and radiator are hot.
The vehicle must be on a level surface. When your
engine is cold, the coolant level should be at the FULL
COLD mark, or a little higher.
If the low coolant light
comes on and stays on,
it means you’re low on
engine coolant.
See “Low Coolant Warning Light” in the Index for
more information.
Adding Coolant
If you need more coolant, add the proper DEX - COOL
R
coolant mixture at the surge tank, but only when the
engine is cool. If the surge tank is empty, a special fill
procedure is necessary. See “Engine Overheating” in the
Index for instructions on “How to Add Coolant to the
Coolant Surge Tank.”
CAUTION:
You can be burned if you spill coolant on hot
engine parts. Coolant contains ethylene glycol,
and it will burn if the engine parts are hot
enough. Don’t spill coolant on a hot engine.
When replacing the pressure cap, make sure it is
hand
- tight.