See also:

Coolant
The coolant should be changed at the intervals specified in the maintenance schedule. ...

Warning on the LCD screen (if equipped)
Key is not in vehicle If the smart key is not in the vehicle and if any door is opened or closed with the engine start/stop button in ACC, ON, or START, the warning illuminates on the LCD scree ...

Do not operate the engine within the tachometer's RED ZONE. This may cause severe engine damage.
Engine temperature gauge This gauge shows the temperature of the engine coolant when the ignition switch is ON. Do not continue driving with an overheated engine. If your vehicle overheats, re ...