How do you change the battery on a 2003 Hyundai Tiburon key fob?

To change the battery in a 2003 Hyundai Tiburon key fob, first, use a flathead screwdriver to gently pry open the fob along the seam. Once open, carefully remove the old battery, noting its orientation, and replace it with a new CR2032 battery, ensuring the positive side is facing up. Finally, snap the fob back together until it clicks securely. Test the key fob to ensure it functions properly after the battery replacement.