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Replacing a toyota avensis key programming Key Fob

Your Toyota key fob is packed with complex technology to make it function. This includes remote locking and smart keys, along with other features. Therefore, it's not surprising that things can go wrong with it.

It's cheap and easy to change the battery in your Toyota keyfob. Follow the steps below.

Battery

Toyota key fobs are powered by a tiny battery, which powers the transponder and electronics chip that allows you to unlock your vehicle. As you use your key fob it will eventually degrade, and it will have to be replaced. Replacing the battery on a Toyota key fob is simple and affordable, and will bring back the functionality of your key fob.

You can open the case of your key fob by inserting a flat tool such as an screwdriver or coin into a notch in the case. This will pry apart the two halves of the key fob case. On the side of one of the key fob's half, you will see the circuit board and the battery. Lift the circuit board gently to reveal the battery, then take it out of its case. Note down (or take a photo) of the type of battery it is and how it sits inside the case, so that you are able to find a replacement.

Replace the battery with a new CR 2032 3V battery, and then place it inside the key fob with the negative side facing downwards. Reassemble the case, and test the key fob to ensure it is working correctly. If it doesn't work Repeat the process to ensure that the connections and battery are in contact. If the key fob does not function after all of this, it could require programming.

Case