Honda 2000 Accord Sedan Owner's Manual page 217

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Cooling System
Removing the radiator cap
while the engine is hot can
cause the coolant to spray out,
seriously scalding you.
Always let the engine and
radiator cool down before
removing the radiator cap.
Maintenance
RADIATOR CAP
4-cylinder models
1. Make sure the engine and radiator
are cool.
2. Turn the radiator cap counter-
clockwise, without pressing down
on it, until it stops. This relieves
any pressure remaining in the
cooling system.
6-cylinder models
RADIATOR CAP
3. Remove the radiator cap by
pushing down and turning
counterclockwise .
4. The coolant level should be up to
the base of the filler neck. Add
coolant if it is low.
5. Put the radiator cap back on.
Tighten it fully.