How to reset service light indicator Opel Zafira F75. Reset service light indicator Opel Zafira F75. From years: 1999, 2000, 2001, 2002, 2003, 2004, 2005. Switch OFF the ignition. Press and hold trip button. Turn ON the ignition. Still holding the trip meter button, wait for four dashes on the display. Now turn OFF the […]