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How to Replace the Key Battery in the Toyota Sienta

Model: Toyota Sienta Npc80 - Years: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
Part: Key

See other generations:
Video tutorial

Thanks to the minimalist design of the smart key for your first-generation Toyota Sienta (2003-2015), the procedure for replacing the battery is particularly simple and accessible to anyone. Below, we will discover how to do it. First, press and hold the "Push" button located on the lower side of the cover while simultaneously removing the physical emergency key. At this point, open the key and remove the battery holder.

Then, replace the old battery with the new one, and you're done.


Updated on 26 June 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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