TOYOTA 2013 Prius PHV - Manual (Page 665)

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5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47787U_(U)
If your vehicle overheats
Correction procedures
■
If the high coolant temperature warning light comes on or
flashes
Stop the vehicle in a safe place and turn off the air condition-
ing system, and then stop the hybrid system.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the hybrid system has
cooled down sufficiently, inspect
the hoses and radiator core
(radiator) for any leaks.
Radiator
Cooling fans
If a large amount of coolant leaks,
immediately contact your Toyota
dealer.
The following may indicate that your vehicle is overheating.
● The high coolant temperature warning light (→P. 534) comes on
or flashes, or a loss of hybrid system power is experienced. (For
example, the vehicle speed does not increase.)
● “HYBRID SYSTEM OVERHEAT” (→P. 552) is shown on the
multi-information display.
● Steam comes out from under the hood.
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