Peugeot 407 2008 SW 2.0 HDI rattling noise when turning engine off

https://www.youtube.com/watch?v=hytt9RUr5OA

Hello guys,

I am new in this community and wanted to identify the cause of this rattling noise when turning engine off. The car is a 2008 Peugeot 407 Station Wagon 2 litre diesel engine (HDI). Thank you.