Lexus RX 450h 2014 Owner's Manual page 790

STEP 4
STEP 5
Start the hybrid system and turn the air conditioning system on to
STEP 6
check that the radiator cooling fans operate and to check for
coolant leaks from the radiator or hoses.
The fans operate when the air conditioning system is turned on immedi-
ately after a cold start. Confirm that the fans are operating by checking
the fan sound and air flow. If it is difficult to check these, turn the air con-
ditioning system on and off repeatedly.
(The fans may not operate in freezing temperatures.)
5-2. Steps to take in an emergency
The coolant level is satisfactory if it
is between the "FULL" and "LOW"
lines on the reservoir.
Reservoir
"FULL" line
"LOW" line
Radiator cap
Add coolant if necessary.
( → P. 655)
Water can be used in an emer-
gency if coolant is unavailable.
5
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