Black key fob inserted in ignition

How to Change the Honda Key Fob Battery

Need to replace the battery in your Honda key fob? It’s really very easy and will take only a few minutes. Just follow the steps below, and if you find that you need help replacing your Honda key battery, please feel free to stop by Honda of New Rochelle for assistance.

Replacing Your Honda Key Battery

  1. Most Honda key fobs have a small screw that you can remove with a jeweler’s screwdriver. Once you have removed the screw, use a flathead screwdriver to gently separate the two halves of the key fob. Be careful to hold the fob together, so that the contents and external buttons don’t fall loose.
  2. Remove the dead battery, taking note of the positive and negative sides, so that you’ll install the new battery correctly. Also, make sure not to touch the battery terminals, as the oils on your skin can cause corrosion which can shorten the life of the battery.
  3. Insert the new battery in the same position as the old one. Use the positive (+) and negative (-) marks inside the key fob as a guide.
  4. Align the two halves of the key fob and gently apply pressure until you hear it snap together. Then replace the screw.
Honda key fob battery in plastic packaging

Choosing the Right Honda Key Fob Battery

You should be able to find the battery type listed on the back of the key fob. If it is illegible, don’t worry—once you’ve opened the key fob, the battery itself will be labeled with the size and voltage. Most key fobs use a flat circular 3-volt battery, which can be found almost anywhere in the Yonkers and White Plains area. However, we recommend that you stop by our parts department when you need a new Honda key fob battery. We’ll make sure that you get the right battery for your Honda key.

What Should I Do If the Key Fob Falls Apart?

Don’t panic! You can use your spare key as a guide to reassemble it.

  1. Place the buttons into the correct slots.
  2. Insert the crossbar between the empty spaces of the top two buttons, with the crossbar’s curvature facing outwards.
  3. Insert the battery back into the motherboard with the positive sign facing out.
  4. Put the motherboard back into the key fob with the rubber film up against the buttons.
  5. Line the back of the key fob up with the front and press it back together until you hear it snap back into place.
  6. Stand next to your vehicle and press all the buttons to make sure that they are working properly.

If you run into any problems, the service techs here at Honda of New Rochelle will be happy to help.

Honda of New Rochelle Can Help With Honda Key Fob Battery Replacement

You can rely on the Honda parts and service experts at our dealership near Bronx to provide tips and advice on all things Honda-related, from how to change your key fob battery to how to enter your Honda Civic radio code and how to reset oil life on your Civic. Whether your Honda Civic is due for an oil change or your Honda CR-V is ready for a wheel alignment, we’ll get the job done right. Make sure to check out our current service specials to find great deals on a wide range of Honda maintenance services and parts. If you have any questions, please don’t hesitate to contact us.

Recent News from Honda of New Rochelle

  • What Are the 2020 Honda Accord MPG Ratings?

    The 2020 Honda Accord is a stylish, comfortable, and well-equipped sedan that will serve the needs of a wide range of Bronx-area drivers. Along with its wide array of convenient tech features, the Accord also offers some impressive fuel economy numbers. This is especially true of the hybrid models. Learn about the Honda Accord fuel…

  • 2020 Honda Passport Reviews

    Interested in upgrading your Bronx-area driving experience with a new 2020 Honda Passport? This most recent addition to the Honda SUV lineup offers rugged capabilities and the advanced tech and safety features that today’s drivers want. But don’t just take our word for it! Check out what the automotive press has to say in these…

  • What Are the 2020 Honda Fit MPG Ratings?

    Along with its tech-savvy features and versatile interior, the 2020 Honda Fit also delivers the kind of fuel-efficient performance that Bronx drivers can appreciate. Learn all about the Honda Fit fuel economy ratings in this guide from the experts at Honda of New Rochelle, and then schedule a test drive with us today! Browse Inventory Compare 2020 Fit…

Saved Vehicles


You don't have any saved vehicles!

Look for this link on your favorites:


Once you've saved some vehicles, you can view them here at any time.

Contact Us

(914) 636-2000

Call Now

25 E. Main Street • New Rochelle, NY 10801

Get Directions

Today's Hours:

Honda of New Rochelle 40.9200156, -73.7658688.