If Your Vehicle Overheats - Toyota Highlander Hybrid 2015 Owner's Manual

If your vehicle overheats

The following may indicate that your vehicle is overheating.
● The needle of the engine coolant temperature gauge (P. 103)
enters the red zone or a loss of hybrid system power is experi-
enced. (For example, the vehicle speed does not increase.)
● "Hybrid System Overheat" is shown on the multi-information dis-
play.
● Steam comes out from under the hood.
Correction procedures
■
If the needle of the engine coolant temperature gauge enters
the red zone
1
Stop the vehicle in a safe place and turn off the air conditioning
system, and then stop the hybrid system.
2
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
3
After the hybrid system has
cooled
inspect the hoses and radia-
tor core (radiator) for any
leaks.
1
Radiator
2
Cooling fans
If a large amount of coolant
leaks, immediately contact
your Toyota dealer.
HIGHLANDER_HV_U (OM48F02U)
7-2. Steps to take in an emergency
down sufficiently,
I n f o r ma t i o n P r o v i d e d b y :
521
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