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 component parts in the engine compartment can be very hot, e.g. the engine, the cooler and parts of the exhaust system.
Components in the engine compartment may continue running or start up suddenly, even if the ignition is switched off.
Make sure of the following before performing tasks in the engine compartment:
The engine has an oil dipstick. If not, the engine oil level can be checked only with the on-board computer More .
Depending on the engine, the oil dipstick may be installed in the engine compartment in different locations.
The waiting time before checking the oil level when the engine is at normal operating temperature is five minutes.
out and wipe off. into the guide tube to the stop, and pull it out again after approximately three seconds. 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
.