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How to Replace the Key Battery of the Buick LaCrosse

Model: Buick Lacrosse MK 1 - Years: 2005, 2006, 2007, 2008, 2009
Part: Key

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Video tutorial

If you own a Buick LaCrosse Mk1 and your car key has suddenly stopped working, don’t worry because this guide will provide all the necessary steps to replace the battery inside it on your own. First, get a common flathead screwdriver (preferably small) and use it to fully open your key. Once done, you will have access to the old, exhausted battery.

Simply remove it and replace it with a new compatible model (CR2032). Finally, reassemble the cover.


Updated on 3 June 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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