Toyota RAV4 PRIME 2021 Manual page 545

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 radia-
tor core (radiator) for any
leaks.
Radiator
A
Cooling fan
B
If a large amount of coolant leaks,
immediately contact your Toyota
dealer.
4
The coolant level is satisfac-
tory if it is between the
"FULL" and "LOW" lines on
the reservoir.
Reservoir
A
"FULL" line
B
"LOW" line
C
8-2. Steps to take in an emergency
5
Add coolant if necessary.
Water can be used in an emer-
gency if engine coolant is unavail-
able.
If water was added in an emer-
gency, have the vehicle inspected
at your Toyota dealer as soon as
possible.
6
Start the hybrid system and
turn the air conditioning sys-
tem on to check that the radi-
ator cooling fan operates and
to check for coolant leaks
from the radiator or hoses.
The fan operates when the air con-
ditioning system is turned on imme-
diately after a cold start. Confirm
that the fan is operating by check-
ing the fan sound and air flow. If it is
difficult to check these, adjust the
temperature control switch to "LO"
and turn the "A/C" switch ON and
OFF. After this, turn the air condi-
tioning system on and off repeat-
edly. (The fan may not operate in
freezing temperatures.)
7
If the fan is not operating:
Stop the hybrid system
immediately and contact your
Toyota dealer.
If the fan is operating:
Have the vehicle inspected at
the nearest Toyota dealer.
8
Check if "Engine Coolant
Temp High Stop in a Safe
545
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