If Your Vehicle Overheats; Correction Procedures - Lexus 2016 IS 200t Service Manual

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8-2. Steps to take in an emergency

If your vehicle overheats

The following may indicate that your vehicle is overheating.
The needle of the engine coolant temperature gauge (P. 81) enters the red
●
zone or a loss of engine power is experienced. (For example, the vehicle
speed does not increase.)
"Engine Coolant High Temperature" is shown on the multi-information dis-
●
play.
Steam comes out from under the hood.
●

Correction procedures

Stop the vehicle in a safe place and turn off the air conditioning system, and
1
then stop the engine.
If you see steam:
2
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the engine has cooled down
3
sufficiently, inspect the hoses and
radiator core (radiator) for any
leaks.
Radiator
1
Cooling fans
2
If a large amount of coolant leaks,
immediately contact your Lexus
dealer.
IS350/300/200t_U (OM53D18U)