If Your Vehicle Overheats - Lexus GS350 Owner's Manual

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.)
Steam is coming from under the hood.
●
Correction procedures
Stop the vehicle in a safe place and turn off the air conditioning system,
1
and 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
3
radiator core (radiator) for any leaks.
Radiator
1
Cooling fans
2
If a large amount of coolant leaks,
immediately contact your Lexus
dealer.
GS350_OM_OM30D41U_(U)
7-2. Steps to take in an emergency
761
7