IS350 AWD/IS350/IS300 AWD: - Page 360

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7-2. Steps to take in an emergency

multi-information display.
If the message does not disappear:
Stop the engine and contact your 
Lexus dealer.
If the message is not displayed:
Have the vehicle inspected at the 
nearest Lexus dealer.

WARNING

■

When inspecting under the hood of 

your vehicle

Observe the following precautions.

Failure to do so may result in serious 

injury such as burns.

●

If steam is seen coming from under the 

hood, do not open the hood until the 

steam has subsided. The engine com-

partment may be very hot.

●

Keep hands and clothing (especially a 

tie, a scarf or a muffler) away from the 

fans and belts.

Failure to do so may cause the hands 

or clothing to be caught, resulting in 

serious injury.

●

IS350 AWD/IS350/IS300 AWD: 

Do not loosen the coolant inlet cap or 

coolant reservoir cap while the engine 

and radiator are hot. (The coolant inlet 

cap is located under the engine cover.)

High temperature steam or coolant 

could spray out.

●

IS300: Do not loosen the coolant inlet 

cap, coolant reservoir cap, or inter-

cooler reservoir cap while the engine 

and radiator are hot. High tempera-

ture steam or coolant could spray out.

●

IS500: Do not loosen the coolant inlet 

cap or coolant reservoir cap while the 

engine and radiator are hot. High tem-

perature steam or coolant could spray 

out.

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 sys-

tem

Observe the following precautions:

●

Avoid contaminating the coolant with 

foreign matter (such as sand or dust 

etc.).