Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

How to replace the key battery of the 2005 Toyota Prius

Model: Toyota Prius MK 1 - Years 2004-2009
Part: Key

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

Video tutorial

Related tutorials

How to Replace the Battery of the Toyota Prius
How to Replace the Battery of the Toyota Prius
Toyota Prius (2004-2009 / MK 1) Replacing the battery of the Toyota Prius? Remove the battery if it is faulty and non-rechargeable. Open the rear hatch of the car and lift the cover…
How to Change the Battery in the Toyota Prius Remote
How to Change the Battery in the Toyota Prius Remote
Toyota Prius (2009-2015 / Xw30, MK 2) To change the battery in the Toyota Prius remote, start by pressing the side button to release the emergency key. Using this key, insert it into the …
How to Replace the Key Battery of the Toyota Prius
How to Replace the Key Battery of the Toyota Prius
Toyota Prius (2004-2009 / MK 1) If you own a first-generation Toyota Prius (2004-2009) and want to know how to replace the button battery in the key, follow these steps. First, comp…

Other guides you may be interested in

How to Set the Clock on the Opel Zafira

Setting the clock to the current Italian time on an Opel Zafira model B is a very simple operation, also made easier by our short instructional video. The first step is to turn on the instrument panel and then press the SETTING button located on the central dashboard. Once inside the menu, use the buttons to navigate to the clock setting. Adjust the hours and minutes and restart the instrument panel. If the clock does not update, it may be necessary to diagnose the radio or the vehicle's control unit.

Watch the video!


by ScegliAuto

More videos