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How to Replace the Key Fob Battery in a Buick Regal?

Model: Buick Regal MK 4 - Years: 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
Part: Key

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Video tutorial

In this tutorial, you will see how to replace the key fob battery in a Buick Regal, a very simple and inexpensive operation. For this, you will need a replacement battery of type CR2032 and a small flathead screwdriver or an equivalent tool.

First, locate the slot near the metal ring, then insert the screwdriver into it, pry it open, and separate the two halves of the key fob. Once fully opened, you can remove the old battery and insert the new one, making sure to position it correctly.


Updated on 29 July 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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