You may come into contact with hot gases.
You may come into contact with other escaping hot operating fluids.
Components in the engine compartment may continue to run or start unexpectedly even when the drive system is switched off.
Observe the following if you must open the bonnet:
Certain component parts in the engine compartment can be very hot, e.g. the engine, the cooler and parts of the exhaust system.
If you open the cap, you could be scalded.