Toyota FJ cruiser 2013 Owner's Manual page 476

5-2. Steps to take in an emergency
If your vehicle overheats
In the following cases, the vehicle may be overheating.
● Engine coolant temperature gauge needle (→P. 140) reaches
the upper end, and engine output falls (There is no speed).
● Steam is coming out from the engine compartment.
Perform the following steps.
Stop the vehicle in a safe place, turn off the air conditioning
system, and stop the engine.
If steam is coming out:
When no more steam is coming out has been confirmed,
carefully open the hood.
If there is no steam coming out:
Carefully open the hood.
502
After the engine has cooled
down sufficiently, inspect the
radiator core (radiator), hoses,
etc. for any leaks.
If there is a large quantity of
engine coolant leaking, imme-
diately contact your Toyota
dealer.
Inspect the amount of engine
coolant by checking if the res-
ervoir level is between the F
(Full) and L (Low) lines.
Engine coolant reservoir
F (Full)
L (Low)