Just had to do the first service on a new model King Quad 500 we sold in May, so needed to re-set the service light. Only have the Manuals for the old models (450 and 700 in fact) which didn't have the service spanner symbol on the display. Anyway, found this http://www.wvatvriding.com/SERVICE_REMINDER_RESET.pdf on the net. The plug in tool simply bridges the black/white and the white/red wires, so a bit of wire will do the same job, the tool is the same one that fetches up fault codes on older EFI Suzukis. Had trouble finding the plug, it is cunningly disguised as a relay on the new model, it just sat there loose under the seat on previous 450 to 750 King Quads.