Use the key to pry.

Changing prius key battery. Pry the fob into halves. Stick a flat bladed screwdriver in the hole that the mechanical key came out. If done correctly, the entire key fob will separate down the middle, revealing the battery.

Replace the battery with a fresh cr2032 battery. Next, insert the mechanical key into the shallow slot next to the key holder and twist. Screw all the screws back in.

Remove the four screws to get access to the battery. Follow these steps to change the car key battery on a toyota prius: Pull the physical key out.

Changing the battery is actually pretty easy to do if you. How to replace prius’s key fob battery. Put everything back together by.

You can do it at home, and it takes 2 minutes. Hope this was helpful to you! How to change the battery in a prius key fob # step 1.

Slide it into place, and make. Remove the mechanical key from the fob. Push in the tab on the bottom of the key fob to release the key.