See also:

Cooling system
Never attempt to remove the radiator cap until the engine has been shut off and has cooled down completely. Since the coolant is under pressure, you may suffer serious burns from a spray of boilin ...

When checking or servicing in the engine compartment while the engine is running
WARNING A running engine can be dangerous. Keep your fingers, hands, clothing, hair and tools away from the cooling fan, belts and any other moving engine parts. Removing rings, watches and ties ...

Key lock-in prevention function
This function prevents the doors from being locked with the key still in the ignition switch. ...