The key fob battery for the 2011 Toyota Prius is essential for operating the vehicle's remote functions. Understanding how to replace this battery can save you time and money, as it is a straightforward process that you can do yourself.

Key Fob Battery Information

The 2011 Toyota Prius key fob uses a CR1632 lithium coin battery. This battery type is widely available at most electronics stores, automotive shops, and online retailers.

How to Replace the Key Fob Battery

Replacing the key fob battery involves a few simple steps:

1. Remove the Mechanical Key: Locate the small button on the side of the key fob and press it to release the mechanical key.

2. Open the Key Fob: Use the mechanical key or a flathead screwdriver to pry open the key fob. Insert it into the slot near where you removed the mechanical key and twist gently to separate the two halves.

3. Remove the Old Battery: Once open, you will see the circuit board. Carefully lift it to access the battery underneath. Note its orientation before removing it.

4. Insert the New Battery: Take your new CR1632 battery and insert it into the slot with the positive (+) side facing up.

5. Reassemble the Key Fob: Place the circuit board back in its original position, snap the two halves of the fob together, and reinsert the mechanical key.

After following these steps, your key fob should function properly again.

Important Tips

  • Always handle electronic components carefully to avoid damage.
  • If your key fob still does not work after replacing the battery, it may require reprogramming or further inspection by a professional.
  • Consider purchasing an extra battery to have on hand for future replacements.

FAQs About 2011 Toyota Prius Key Fob Battery

    • How often should I replace my key fob battery?
      It's recommended to replace your key fob battery every 1-3 years, depending on usage.
    • Do I need to reprogram my key fob after changing the battery?
      No, generally you do not need to reprogram your key fob after a battery replacement.
    • Where can I buy a CR1632 battery?
      CR1632 batteries can be found at electronics stores, automotive shops, and online retailers.