If you open the engine bonnet when the engine has overheated or during a fire in the engine compartment, you could come into contact with hot gases or other escaping operating fluids.
Certain components in the engine compartment can be very hot, e.g. the engine, the radiator and parts of the exhaust system.
The waiting time before checking the oil level when the engine is at normal operating temperature is two minutes.
oil level is correct: oil level is between and .
oil level too low: oil level is at or below.
oil level too high: oil level is above .