When the ignition is switched ON, the light illuminates momentarily and then turns off.
The light flashes when the engine coolant temperature is extremely high, and illuminates when the engine coolant temperature increases further.
Handling Procedure
Flashing light
Drive slowly to reduce engine load until you can find a safe place to stop the vehicle and wait for the engine to cool down.
Illuminated light
This indicates the possibility of overheating. Park the vehicle in a safe place immediately and stop the engine.
Refer to Overheating (Search).
Do not drive the vehicle with the high engine coolant temperature warning light illuminated. Otherwise, it could result in damage to the engine.