Toyota PRIUS C 2019 Manual page 527

The coolant level is satisfac-
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tory if it is between the
"FULL" and "LOW" lines on
the reservoir.
Reservoir
1
"FULL" line
2
"LOW" line
3
Add coolant if necessary.
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Water can be used in an emer-
gency if coolant is unavailable.
Start the hybrid system and turn the air conditioning system on to
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check that the radiator cooling fan operates and to check for
coolant leaks from the radiator or hoses.
The fan operates when the air conditioning system is turned on immedi-
ately after a cold start. Confirm that the fan is operating by checking the
fan sound and air flow. If it is difficult to check these, turn the air condi-
tioning system on and off repeatedly.
(The fan may not operate in freezing temperatures.)
If the fan is not operating:
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Stop the hybrid system immediately and contact your Toyota
dealer.
If the fan is operating:
Have the vehicle inspected at the nearest Toyota dealer.
PRIUS c_U
8-2. Steps to take in an emergency
527
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