service interval reminder

1st= switch off engine
2nd= Press the service button(wee spanner) and hold whilst switching on ignition. The display will show one of these messages: "service in ????km or service!
3rd= now press and hold the reset button(0.0 buttom) until the display shows: service in---km--days or service!
(the display switches out of the reset mode if you do not press the reset button within 5 seconds)