If Your Vehicle Overheats - Lexus ES 250 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 engine coolant temperature
gauge (P.102, 105) enters the
red zone or a loss of engine
power is experienced. (For exam-
ple, the vehicle speed does not
increase.)
 "Engine Coolant Temp High Stop
in a Safe Place See Owner's
Manual" is shown on the multi-
information display.
 Steam comes out from under the
hood.
Correction procedures
1
Stop the vehicle in a safe place and
turn off the air conditioning system,
and then stop the engine.
2 If you see steam:
Carefully lift the hood after the
steam subsides.
If you do not see steam:
Carefully lift the hood.
3 After the engine has cooled down
sufficiently, inspect the hoses and
radiator core (radiator) for any
leaks.
Radiator
A
Cooling fan
B
If a large amount of coolant leaks, immedi-
ately contact your Lexus dealer.
4 The coolant level is satisfactory if it
is between the "F" and "L" lines on
the reservoir.
Except 2GR-FKS engine

Reservoir
A
"F" line
B
"L" line
C
Coolant inlet cap
D