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How to Reset the Maintenance Light on a Smart

Model: Smart Smart 451 - Years: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
Part: Warning light – error code

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Video tutorial

In this guide, you will learn how to easily and quickly reset the maintenance (or service) light on a 2015 Smart Forfour. This operation is very simple to perform, even without any mechanical experience, and it takes just a few seconds to complete.

First, insert the key and turn on only the ignition of the vehicle. Next, press the up arrow button located on the left side of the steering wheel and enter the "Messages and service" section.

Finally, press and hold the "OK" button for about 30-40 seconds and release it as soon as the display stops flashing.


Updated on 8 May 2026 by ScegliAuto


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How to Reset the AdBlue Warning Light on a Peugeot Boxer

To reset the AdBlue system on a 2018 Peugeot Boxer, follow these steps: Start the engine and ensure the vehicle is parked in a well-ventilated area. Locate the "MENU" button on the dashboard or steering wheel controls. Press and hold the "MENU" button until the menu options appear on the display. Use the arrow buttons or scroll wheel to access the "Vehicle Settings" or "Settings" menu. Select the "AdBlue" or "AdBlue System" option. Look for the "Recharge" or "Reset" option in the AdBlue menu. Once you find the reset option, select it and confirm your choice when prompted. The system will be reset, and a confirmation message may appear on the display. Turn off the engine and wait a few seconds. Restart the engine and check that the AdBlue system has been reset.

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by ScegliAuto

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