Ducato, Boxer & Relay Service light Reset. How to reset Fiat Ducato, Citroen Relay & Peugeot Boxer Service light 2002-2007 Also Know as Citroen Jumper in Europe. Check Euro Car parts for Part: Checks and maintenance Operation: How to reset the service in the Fiat Ducato van? Resetting the service light on the Fiat Ducato Van is very simple, let's see how to proceed in this tutorial. Obviously, this procedure should only be carried out after having carried out all the work required by the scheduled maintenance. FaPMZ.