Toyota HIGHLANDER HYBRID 2009 Manual page 534

5-2. Steps to take in an emergency
■
If "Hybrid System Overheat" is shown on the multi-informa-
tion display
STEP 1
Stop the vehicle in a safe place and turn off the air condition-
ing system.
STEP 2
Leave the hybrid system operating and carefully lift the hood.
STEP 3
Check if the cooling fans are operating.
If the fans are operating:
Wait until "Hybrid System Overheat" disappears and then
stop the hybrid system.
If the message does not disappear, call your Toyota dealer.
If the fans are not operating:
Stop the hybrid system immediately and call your Toyota
dealer.
STEP 4
STEP 5
Have the vehicle inspected at your nearest Toyota dealer as soon as
possible.
534
After the hybrid system has
cooled down, check the power
control unit coolant level and
inspect the cooling system for
leaks.
Power control unit coolant res-
ervoir
Power control unit coolant
radiator
If necessary, add power control
unit coolant up to the "FULL"
line.
Water can be used in an emer-
gency if power control unit cool-
ant is unavailable. (→P. 543)