How to reset service light indicator Opel Combo. Reset service light indicator Opel Combo. From years: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012. Ignition OFF. Press and hold reset trip odometer button. Turn the ignition on, one position before starting engine. The letters INSP will appear in the display and […]