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How to Replace the Remote Battery in a Volvo S40?

Model: Volvo S40 MK 2 - Years: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Part: Key

See other generations:
Video tutorial

Replacing the remote battery in a Volvo S40, as shown in this tutorial, is an extremely simple and cost-effective operation. To do this, you will need a replacement CR2450 battery and a small flat-head screwdriver.

First, locate the indicated slot along the bottom edge, then insert the screwdriver tip into it and lever the cover open. Once done, remove the old battery and insert the replacement, ensuring the polarity is correct.

Finally, reposition the cover.


Updated on 28 May 2026 by ScegliAuto


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How to Reset the Tyre Light on a Toyota Aygo?

To reset the tyre light on a Toyota Aygo, start by locating the reset button, which is found in the glove compartment of the front passenger side. Turn on the car and ensure that the tyres are at the correct pressure. Then, press and hold the reset button for a few seconds until the tyre light either flashes or turns off, depending on the model. Release the button and wait for the reset procedure to complete. Restart your Toyota Aygo and check if the tyre light has turned off, indicating that the reset was successful.

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by ScegliAuto

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