Make sure that the two halves of the key fob are flush together all the way around.

Prius key fob battery. To start the car, insert the key into the ignition and turn it to the on. How do i change the battery in my 2010 prius key fob? 3) remove the 4 screws circled in red using a philips #0 screwdriver.

5 steps to replace the battery in a prius key fob. You will come into problems with the battery during the life cycle of the vehicle. Remove the key from the rest of the housing.

Remove the mechanical key from the fob. To be able to change the battery, you need to. Prius keys use a battery to function.

There are a total of 6 steps for you to change the battery in the prius key. Install the new cr2032 battery in the key fob and reinstall the key cover. To start the car, insert the key into the ignition and turn it to the on position.

Unlock your prius with a dead key fob. If this doesn't easily slide off try using a rubber glove to get additional grip on the fob. The battery that you need is a 2032 button cell battery.

Slide the tab at the bottom to the left and drag the key. Pull the physical key out. Thus it will surely discharge after a certain timeline.