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The coolant level is satisfactory
4
if it is between the "FULL" and
"LOW" line on the reservoir.
Reservoir cap
1
"FULL"
2
"LOW"
3
Add coolant if necessary.
5
Water can be used in an emer-
gency if coolant is unavailable.
Start the hybrid system and turn the air conditioning system on to
6
check that the radiator cooling fan operates and to check for coolant
leaks from the radiator or hoses.
The fan operates when the air conditioning system is turned on immediately
after a cold start. Confirm that the fan is operating by checking the fan sound
and air flow. If it is difficult to check these, turn the air conditioning system on
and off repeatedly.
(The fan may not operate in freezing temperatures.)
If the fan is not operating:
7
Stop the hybrid system immediately and contact your Lexus dealer.
If the fan is operating:
Have the vehicle inspected at the nearest Lexus dealer.
ES350 300h_OM_OM33A01U_(U)
7-2. Steps to take in an emergency
I n f o r ma t i o n P r o v i d e d b y :
7
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