2001 Porsche Boxster "cancel something ordered" Questions

...off the monitors have order. if something fails (serious) the more advanced monitors like P0421 are cancelled. until fixed. even my 1996 car does that trick...! smart ,huh? same with many monitors, ...

...cancel My 2002 boxster indicators have just stopped automatically cancelling. I assume there is something in the steeing column that controls this? Does anyone know how to fix this? Steve You will ...