Toyota Prius C 2011 Owner's Manual page 426

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If the hybrid system overheat warning message is shown on
the multi-information display:
Stop the vehicle in a safe place and turn off the air condition-
STEP 1
ing system.
Leave the hybrid system operating and carefully lift the hood.
STEP 2
Check if the cooling fans are operating.
STEP 3
If the fans are operating:
Wait until the hybrid overheat warning message disappears
and then stop the hybrid system.
If the message does not disappear, call your Toyota dealer.
If the fans are not operating:
Stop the hybrid system immediately and call your Toyota
dealer.
STEP 4
STEP 5
Have the vehicle inspected at the nearest Toyota dealer as soon as
possible.
5-2. Steps to take in an emergency
After the hybrid system has
cooled down, check the power
control unit coolant level and
inspect the cooling system for
leaks.
Add power control unit coolant if
necessary.
Water can be used in an emer-
gency if power control unit cool-
ant is unavailable. (→P. 438)
5
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