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How to Reset the Service Light on a Smart Forfour?

Model: Smart Smart Fourfour1, 454 - Years: 2004, 2005, 2006
Part: Service warning light

See other generations:
Video tutorial

To reset the Service light on a Smart Forfour, press and hold the button located at the top left of the instrument panel: keep it pressed while the panel is off. While continuing to hold this button, insert the ignition key into the lock and turn it to switch on the instrument panel: once it is on, wait for the light to reset.

At this point, you can release the button and then turn off the instrument panel, checking that the reset has occurred correctly.


Updated on 3 September 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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