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How to Reset the Service Light on a Hummer H3

Model: (Various brands) Hummer MK 1 - Years 2003-2009
Part: Service warning light

Let's see how to reset the service light on a Hummer H3. To reset the car maintenance light: turn on the instrument panel, use the buttons located above the control levers (next to the steering wheel). Once in the settings menu, scroll with the up/down button until you find the word "Reset", select it with the end lever keypad (located above the lever next to the steering wheel) and turn off the maintenance light, then exit the settings menu. Check the instrument panel: by turning it off and on again with the appropriate key remote.

Updated on 8 March 2026 by ScegliAuto

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