How do you change fob battery 2006 buick lucerne?

To change the battery in a 2006 Buick Lucerne key fob, first, locate the small slot or indentation on the side of the fob and use a flathead screwdriver or a coin to gently pry it open. Once opened, remove the old battery, noting its orientation, and replace it with a new CR2032 battery, ensuring the positive side is facing up. Snap the fob back together and test it to ensure it’s functioning properly.