The 2010 Toyota Prius key fob uses a CR1632 battery. This small, coin-shaped battery is essential for the proper functioning of your key fob, allowing you to lock, unlock, and start your vehicle remotely. When the battery begins to weaken, it's important to replace it promptly to ensure uninterrupted use of your key fob.

Replacing the Battery

Replacing the battery in your 2010 Prius key fob is a simple process that you can do at home in just a few minutes. Here's a step-by-step guide:

1. Locate the small button on the side of the key fob that says "PUSH."

2. Press this button and remove the internal emergency key.

3. Use the emergency key or a small flathead screwdriver to carefully pry open the key fob case.

4. Gently lift out the circuit board to access the battery.

5. Remove the old battery, noting its position (positive side up).

6. Insert the new CR1632 battery with the positive (+) side facing up.

7. Carefully place the circuit board back into the key fob housing.

8. Snap the two halves of the key fob back together.

9. Reinsert the emergency key.

It's important to handle the internal components gently to avoid damaging the circuitry.

Battery Specifications

The CR1632 battery used in the 2010 Prius key fob has the following specifications:

  • Voltage: 3 volts
  • Chemistry: Lithium
  • Diameter: 16mm
  • Height: 3.2mm

These batteries are readily available at most electronics stores, pharmacies, and online retailers.

When to Replace

Signs that your key fob battery needs replacement include:

  • Decreased range when locking or unlocking your Prius
  • Multiple button presses required to perform functions
  • Inconsistent operation of the key fob
  • Warning messages on your Prius dashboard about the key fob battery

It's a good practice to replace the battery every 1-2 years, depending on usage, to ensure reliable operation.

Important Considerations

  • Always use a fresh, high-quality battery to ensure optimal performance and longevity.
  • Avoid touching the flat surfaces of the new battery with your bare fingers, as oils from your skin can degrade battery performance.
  • Dispose of the old battery properly according to local regulations.
  • If your key fob doesn't work after replacing the battery, consult your Prius manual or a Toyota dealership for further assistance.

By following these simple steps, you can easily replace the battery in your 2010 Prius key fob, saving time and money on dealership visits. Regular maintenance of your key fob ensures that you'll always have reliable access to your vehicle.

FAQs About Battery for 2010 Prius Key Fob

    • Can I use a different battery type in my 2010 Prius key fob?
      It's recommended to use only the CR1632 battery as specified by Toyota. Using a different battery may result in poor performance or damage to the key fob.
    • Do I need to reprogram my key fob after changing the battery?
      No, replacing the battery does not require reprogramming. Your key fob should work immediately after battery replacement.
    • How long does a key fob battery typically last?
      On average, a key fob battery lasts 1-2 years, but this can vary based on usage and environmental factors.
    • What should I do if my key fob still doesn't work after replacing the battery?
      If issues persist after battery replacement, ensure the battery is installed correctly. If problems continue, consult your local Toyota dealership for assistance.