Toyota Avalon Hybrid 2018 Owner's Manual page 431

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If "Hybrid System Overheat/Stop the Vehicle in a Safe Place" is
shown on the multi-information display
Stop the vehicle in a safe place.
1
Stop the hybrid system and carefully lift the hood.
2
After the hybrid system has
3
cooled down, inspect the
hoses and
(radiator) for any leaks.
Radiator
1
Cooling fan
2
If a large amount of coolant
leaks, immediately contact
your Toyota dealer
The coolant level is satisfac-
4
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.
5
Water can be used in an emer-
gency if coolant is unavailable.
Start the hybrid system and check for the multi-information dis-
6
play.
If the message does not disappear:
Stop the hybrid system and contact your Toyota dealer.
If the message is not displayed:
Have the vehicle inspected at the nearest Toyota dealer.
7-2. Steps to take in an emergency
radiator core
431
7