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How to Replace the Key Battery on a Toyota Sienna

Model: Toyota Sienna Xl20 - Years 2004-2010
Part: Key

If you want to replace the button battery in your Toyota Sienna key (2000-2005), follow these steps to complete the operation in a few minutes without any difficulty. First, take your key and use a flat-head screwdriver (or another key) to remove the back cover. Once done, also remove the old exhausted battery located just underneath and replace it with a new one (model CR2032). Finally, refit the back cover and ensure that the key functions perfectly.

Updated on 4 August 2026 by ScegliAuto

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