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Replacing Key Battery on Smart Fortwo 451

Model: Smart Smart 451 - Years: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
Part: Key

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Video tutorial

Today, you will learn how to open the key remote and replace the internal battery of a Smart Fortwo 451; this operation is very simple and does not require special tools. First, take your remote and use a lever to open it into two parts, inserting the tool into the gap in the middle: then access the battery and remove it by prying it out. At this point, insert the new battery of the correct type (usually a 2032), and close the two plastic shells by snapping them together: watch the video until the end!


Updated on 31 March 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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