Honda FIT 2017 Owner's Manual page 371

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Radiator
Radiator Cap
1. Make sure the engine and radiator are
cool.
2. Turn the radiator cap counter-clockwise
and relieve any pressure in the cooling
system. Do not push the cap down when
turning.
3. Push down and turn the radiator cap
counter-clockwise to remove it.
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, and tighten it
fully.
6. Pour coolant into the reserve tank until it
reaches the MAX mark. Put the cap back
on the reserve tank.
uuMaintenance Under the HooduEngine Coolant
1Radiator
WARNING
3
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.
NOTICE
Pour the fluid slowly and carefully so you do not spill
any. Clean up any spills immediately; they can
damage components in the engine compartment.
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