How do you change battery in 2015 Mini Cooper key fob?

To change the battery in a 2015 Mini Cooper key fob, first, use a small flathead screwdriver to gently pry open the key fob, starting at the seam. Once opened, remove the old battery, noting the orientation, and replace it with a new CR2032 battery, ensuring the positive side faces up. Snap the fob back together securely and test the key fob to ensure it functions properly.