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7-2. Steps to take in an emergency
If your vehicle overheats
The following may indicate that
your vehicle is overheating.
The needle of the engine coolant
temperature gauge (P.84)
enters the red zone, or a loss of
hybrid system power is experi-
enced. (For example, the vehicle
speed does not increase.)
"Engine Coolant Temp High" or
"Hybrid System Overheated" is
shown on the multi-information
display.
Steam comes out from under the
hood.
Correction procedures
"Engine Coolant Temp High" is
■
shown on the multi-information dis-
play
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
down sufficiently, inspect the hoses
and radiator core (radiator) for any
leaks.
Radiator
A
Cooling fans
B
If a large amount of coolant leaks, immedi-
ately contact your Lexus dealer.
4
The coolant level is satisfactory if it
is between the "FULL" and "LOW"
lines on the reservoir.
Reservoir
A
"FULL" line
B
"LOW" line
C
5
Add coolant if necessary.
Water can be used in an emergency if