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7-2. Steps to take in an emergency
If “Hybrid System Overheated
Reduced Output Power” is shown
on the multi-information display
1 Stop the vehicle in a safe place.
2 Stop the hybrid system and care-
fully lift the hood.
3 After the hybrid system has cooled
down, inspect the hoses and radia-
tor core (radiator) for any leaks.
Radiator
Cooling fan
If a large amount of coolant leaks, immedi-
ately contact any authorized Lexus retailer
or Lexus authorized repairer, or any reli-
able repairer.
4 The coolant level is satisfactory if it
is between the “FULL” and “LOW”
lines on the reservoir.
Reservoir
“FULL” line
“LOW” line
5 Add coolant if necessary.
Water can be used in an emergency if
power control unit coolant is unavailable.
If water was added in an emergency, have
the vehicle inspected at any authorized
Lexus retailer or Lexus authorized
repairer, or any reliable repairer as soon as
possible.
6 After stopping the hybrid system
and waiting for 5 minutes or more,
start the hybrid system again and
check if “Hybrid System Over-
heated Reduced Output Power” is
shown on the multi-information dis-
play.
If the message does not disappear:
Stop the hybrid system and contact any
authorized Lexus retailer or Lexus autho-
rized repairer, or any reliable repairer.
If the message is not displayed:
The hybrid system temperature has
dropped and the vehicle may be driven
normally.
However, if the message appears again
frequently, contact any authorized Lexus
retailer or Lexus authorized repairer, or
any reliable repairer.
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