How to Replace the Key Fob Buttons on a Toyota Avensis

Written by susanne koenig
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How to Replace the Key Fob Buttons on a Toyota Avensis
Economically speaking, utilising the buttons from a used key is best. (key image by Fantasista from

A Toyota Avensis has a key that does double duty as a remote keyless entry fob. With regular use, these keys can become stuck or worn from use. If you'd like to replace the buttons without replacing the entire key, then ordering a new set of buttons or scrapping a used key is the best way to go. Otherwise, you will pay for an entire replacement key, which would cost you considerably to have cut and re-programmed.

Skill level:

Things you need

  • Used Avensis key
  • Small Phillips screwdriver

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  1. 1

    Purchase a used key online from a dealer. Since you are using the key for its buttons, it doesn't matter if the transponder works correctly.

  2. 2

    Turn over your old and new Avensis keys so the Toyota logo is facing down. Toward the metal key shaft on each, you will see a small Phillips head screw. Loosen these screws.

  3. 3

    Remove the button plate from the keys. Place the used key buttons into your working key and close.

Tips and warnings

  • When debris gets caught between the contacts and the buttons, the key will no longer function. Take this opportunity to clean your key out with canned air.
  • Change the battery while you're at it. A watch battery will work. Be sure to insert with the positive side up.

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