How do you reset maintenance light indicator, reset service light indicator Hummer H2, year 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012. For reset maintenance light and that can be made manually by use button on car dash board.

1. Turn the ignition to run (one position before starting engine).
2. Press the fuel information button (located on instrument panel cluster above steering column) until ENGINE OIL LIFE appears in the display.
3. Press and hold the select button (arrow button) for 5 seconds while ENGINE OIL LIFE is displayed. OIL LIFE RESET will appear on the display for 10 seconds to let you know the system is reset.
4. Turn the ignition off and then start the engine to verify the indicator has been reset.