Toyota Yaris GR Key Fob Battery Replacement - EASY DIY
2450 Battery you need - https://amzn.to/46U13qC
Here is a quick and simple video on how to change the weak or dead battery in your key fob. This does not require and tools. You will just need 1 replacement 2450 battery. First, use the mechanical key to pry the two halves apart. Then use the same key to remove the dead 2450 battery. Place your new battery in + side facing up and clamp them back together. You're all set! No need to reprogram. Hope you found this helpful! Take care.