▶ Engine
▶ Intercooler (NX350 only)
NOTICE
■ When adding engine coolant
Add coolant slowly after the engine has cooled down sufficiently.
Adding cool coolant to a hot engine too quickly can cause damage to the engine.
■ To prevent damage to the cooling system
Observe the following precautions:
● Avoid contaminating the coolant with foreign matter (such as sand, dust, etc.).
● Do not use coolant additives.
6 Start the engine and turn the air conditioning system on to check that the
radiator cooling fan operate 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.)
7 If the fan is not operating: Stop the engine immediately and contact your
Lexus dealer.
If the fan is operating: Have the vehicle inspected at the nearest Lexus dealer.
9-12. Items to check before contacting a dealership
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