Lexus GS350 Owner's Manual page 513

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Add coolant if necessary.

Water can be used in an emergency if coolant is unavailable.

Start the engine and turn the air conditioning system on to check that the radi-

ator cooling fans operate and to check for coolant leaks from the radiator or

The fans operate when the air conditioning system is turned on immediately 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 conditioning system on and off repeatedly.

(The fans may not operate in freezing temperatures.)

If the fans are not operating:

Stop the engine immediately and contact your Lexus dealer.

If the fans are operating:

Have the vehicle inspected at the nearest Lexus dealer.

GS350_300_GS F_OM_OM30G34U_(U)

7-2. Steps to take in an emergency

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