See also:

Options
Once the "Options" menu has been selected, you can start diagnostics of the status of the equipment (active, not active, faulty). ...

Checking levels
Check all of these levels regularly and top them up if necessary, unless otherwise indicated. If a level drops signifi cantly, have the corresponding system checked by a CITROËN dealer. Oil ...

Ventilation
System which creates and maintains comfortable conditions in the vehicle's passenger compartment. ...