How do you change battery in key fob of Lexus RX 350?

To change the battery in the key fob of a Lexus RX 350, first, use a small flathead screwdriver to gently pry open the key fob along the seam. Once opened, remove the old battery and replace it with a new CR2032 battery, ensuring the positive side is facing up. Finally, snap the fob back together and test it to ensure it works properly.