If Your Vehicle Overheats - Lexus GX 460 2020 Owner's Manual

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7-2. 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. 83) enters the
●
red zone or a loss of engine power is experienced. (For example, the vehicle
speed does not increase.)
Steam is coming 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 sufficiently, inspect the hoses and radiator
3
core (radiator) for any leaks.
Radiator
1
Cooling fans
2
If a large amount of coolant leaks,
immediately contact your Lexus
dealer.
GX460_OM_OM60R28E_(GE)