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 Reset the Tyre Pressure Light on the Opel Grandland X

While driving, if you notice the tyre pressure warning light coming on, first check the actual inflation pressure of the tyres and, if necessary, restore the pressures recommended by the manufacturer. After restoring the correct pressures, you need to reset the warning light that has illuminated on the instrument cluster. To do this, locate the reset button on the lower central console. Press this button and hold it down for at least 3 seconds, after which the low pressure indication will turn off.

Watch the video!


by ScegliAuto

More videos