To be able to change the battery, you need to.

Prius key fob battery. How to change the battery in a prius key fob. There can be a leak, causing the fluid to spill. If this doesn't easily slide off try using a rubber glove to get additional grip on the fob.

Hope this was helpful to you! Prius keys use a battery to function. Replacing the battery on the prius key fob without a “smart key system” is the same as above.

To start the car, insert the key into the ignition and turn it to the on. Slide the tab at the bottom to the left and drag the key. To start the car, insert the key into the ignition and turn it to the on position.

Make sure that the two halves of the key fob are flush together all the way around. To do this, slide the mechanism at the bottom to the left (with the key facing you and the toyota logo the correct way around) and pull. Remove the key from the rest of the housing.

Test new key fob battery: There should be a little button along the side. Pull the physical key out.

Before you start taking your toyota prius key fob apart, you will need t have the replace battery ready. Thus it will surely discharge after a certain timeline. Cr1632 coin battery 🪙 you need: