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How to Reset the Maintenance Light on a GMC Sierra

Model: GMC Sierra MK 2 - Years: 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Part: Warning light – error code

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Video tutorial

If every time you start your 2004 GMC Sierra you notice the maintenance warning light coming on, don't worry because you can resolve the issue with a quick manual reset. Let's see how to do it. Ensure you start the procedure described here with the vehicle completely off and all doors closed.

Then, insert the key and turn on the ignition. At the same time, press the accelerator pedal three times in a row. At this point, the reset is successfully completed, and from the next start, the maintenance light will no longer illuminate.


Updated on 13 May 2026 by ScegliAuto


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How to Remove the Rear Seat of a Hyundai Tucson?

To remove the rear seat of a Hyundai Tucson, follow these steps. Start by moving the front seats to their most forward position to gain space. Next, locate the release lever on the underside of the rear seat, near the floor. Press this lever down while pulling the seat upwards to unlock it from the anchor pins. Once unlocked, tilt the seat upwards and forwards to remove it from its position. Repeat this process for both sides of the rear seat. Be careful of any electrical cables or components that may be connected to the seat during removal. Once the rear seat is removed, the disassembly is complete.

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by ScegliAuto

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