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How to Replace the Key Battery in a Toyota Sequoia

Model: Toyota Sequoia Xk40, Xk30 - Years 2001-2007
Part: Key

If the key for your first-generation Toyota Sequoia has stopped working due to a dead battery, don't worry because replacing it is easy. Just follow a few simple steps that we will outline in this guide. First, get a new CR2450 button battery. Next, remove the emergency key and take off the back cover of the key fob. At this point, remove the dead battery and replace it with the new one. Finally, reattach the cover of the key fob, and you're done.

Updated on 15 September 2026 by ScegliAuto

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