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Replacing the Key Fob Battery for Smart Fortwo 451

Model: Smart Smart 451 - Years 2007-2015
Part: Key

In this video tutorial, you will learn how to disassemble and replace the battery in the remote key fob of a Smart 450 and 451 in simple steps. To do this, first take your remote and use something flat and thin to open it into two parts, prying at the central section; this will give you access to the circuit board and the battery. At this point, remove the old battery and replace it with the new one of the correct type; simply insert it the right way round and reassemble the remote, ensuring the two halves fit together as shown in the video!

Updated on 19 April 2026 by ScegliAuto

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How to Replace the Remote Battery for the Volvo XC40?

In this tutorial, you will see how to replace the battery in the remote for the Volvo XC40, a very simple and quick operation. For this, you will need a replacement battery of type CR2032 and possibly a small flathead screwdriver. First, remove the front cover by pressing the button on the metal ring, then locate the second button, press it as well, and remove the opposite cover. Next, open the circular cap, take out the old battery, and insert the new one in the opposite direction. Finally, reassemble everything.

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