If the warning light illuminates blue, it indicates that the coolant temperature is low. If the warning light illuminates red, it indicates that the coolant temperature is high.
When the temperature continues to rise, the warning light will flash accompanied by an audible warning.
If the signal is missing, the warning light is flashed in blue.
If the engine is too hot, severe damage could result; stop the vehicle as soon as safety permits and seek qualified assistance at the earliest opportunity.