The first step is to open the key fob.

How to change the battery in a prius key fob. Slide the tab at the. 2) with the fob buttons facing down,. Once the key has been removed flip over the fob.

To do this, you will have to slide the mechanism that you see at the bottom towards the left. 2) with the fob buttons facing down, slide the spring. Follow these steps to change the car key battery on a toyota prius:

Attach the red positive jumper wire to. Once the spare manual key is pulled out, focus on the same tab and slide the back of the key to remove the casing of the prius key. Remove small door key from fob step 2:

Step 1 the first that you need to do is to remove the key from the housing. Push in the tab on the bottom of the key fob to release the key. Use the metal and insert it into the center slot of the key fob.

The following steps to replace the battery are for keys with a “smart key system.” step 1: Pull the physical key out. You can do this by gently prying open the back cover with a flathead screwdriver.

Slide the tab at the bottom to the left and drag the key. After removing the case, you will observe four tiny screws. Remove the four screws to get access to the battery.