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How to Open Honda Key Fob & Replace the Battery

Key with key fob in hand

Every component of a Honda vehicle is designed with quality and longevity in mind, right down to the key fob. But even your key fob battery can fail over time, and you might need a replacement Honda key fob battery. The team at Greenway Honda of Florence can help, but if you’re the kind of driver who likes to handle things on their own, we have a quick overview of how to open your Honda key fob and how to replace its battery — it’ll get you driving back around The Shoals in no time

What Honda Key Battery Will I Need?

Wondering where to find a replacement Honda key battery? The battery needed for your Honda key fob is actually widely available at many stores in the Tuscumbia area. The Honda key fob most commonly uses a flat circular 3-volt battery. If you are still unsure about the exact Honda key fob battery you need, do not hesitate to reach out to the service department at Greenway Honda of Florence. 

How to Open the Honda Key Fob

Learning how to open your Honda key fob is another simple step when it comes to Honda key fob battery replacement. Here is how to open the Honda key fob:

  • Find the button that will release the metal key inside the fob. 
  • Slide that button open and pull the key out. 
  • Carefully place the edge of the key into the slot at the top of the key fob; it should fit into a small channel in the center. 
  • Wedge the key and twist it gently. 
  • The back of the key fob should come apart. 

How to Replace a Honda Key Battery

Now that your Honda key fob is open, be careful so that the entire fob does not fall apart. Removing the Honda key battery should be done carefully so that essential components remain in place. Change the battery in a Honda key fob with these steps. 

  • Hold your thumb right above the battery.
  • Use your other hand to carefully pry the dead battery out and replace it with one that has a full charge.
  • Line the back of the key fob up with the front half, and carefully press the pieces back together. 
  • When everything is securely in place, you will hear a snap.

How to Program Honda Key

After a Honda key fob battery replacement, you might find yourself needing to program your key fob. This process is a bit more involved than changing the battery, and our service team would love to assist if you find yourself having trouble.

  1. Enter the cabin, securely shut all doors, and have the key fobs you want to program on hand. 
  2. Insert the key and turn to the “On” position. Press and hold the “LOCK” button for one second. 
  3. Release the button and turn the key to the “Off” position. Repeat this process twice more.
  4. Turn the key to the “On” position and hold the “LOCK” button on the key fob for one second. The doors will then lock and unlock automatically. Once the locks have cycled, your vehicle is in remote programming mode.
  5. Once again hold the “LOCK” button for one second. Once the locks cycle, your vehicle is now paired with your key fob. If you have other key fobs you need to program, repeat the steps listed above
  6. To exit remote programming mode, turn the key in the ignition to the “Off” position.

Contact Greenway Honda of Florence for More Information

If you still need assistance with the Honda key fob battery replacement process, or you have other questions about automotive maintenance, you can always contact the team at Greenway Honda of Florence.

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250 Cox Creek Parkway • Florence, AL 35630

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Greenway Honda of Florence 34.835196, -87.629960.