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How to replace the key battery of the 2005 Toyota Prius

Model: Toyota Prius MK 1 - Years: 2004, 2005, 2006, 2007, 2008, 2009
Part: Key

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Video tutorial

In this new guide dedicated to your first-generation Toyota Prius (2005), you will discover how to replace the small button battery inside the key. First, fully remove the physical emergency key, then use a cross-head screwdriver to unscrew the battery holder screws.

Next, remove the old battery and proceed with the actual replacement.

Finally, reassemble everything correctly and test the key's functionality. If it still does not work after changing the battery, the issue may lie with the electronic component.


Updated on 18 July 2026 by ScegliAuto


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Where is the Engine Fan Fuse Located in a Citroen C3?

The Citroen C3 contains two fuse boxes. The first fuse box is located inside the cabin behind the passenger side glove compartment. The second fuse box is under the bonnet near the battery. The fuse for the engine fan is located in the second fuse box and is labelled F8, rated at 25 Amperes. To replace the fuse, open the fuse box cover, remove the fuse with pliers, and insert a new fuse of the same amperage. Close the fuse box and the bonnet.

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by ScegliAuto

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