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Replacing the Battery in the Key Remote of a Toyota Sienna

Model: Toyota Sienna Xl40 - Years 2021-2026
Part: Key

Today's instructions will allow us to disassemble and replace the battery in the key remote of a Toyota Sienna. First, take the remote in hand and start by extracting the physical key from inside it; then leverage the gap created to open the remote into two parts, removing the battery located inside, as shown in the video. At this point, install the new battery of the correct type (in this case, a CR 2450 3V); insert it the right way round and reassemble the remote and key!

Posted on 15 March 2026 by ScegliAuto

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by ScegliAuto

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