How to Replace the Battery in a Honda Key Fob

Do you know how to change the Honda key fob battery? The first time you need to change the original battery in your Honda key fob can be tricky—there are tiny parts in the battery in your remote key that you don’t want to lose. Thankfully, we can walk you through the process of how to replace the battery in your Honda key fob, making you a car-key expert! As always, reach out to Tamaroff Honda, your friendly neighborhood Honda dealer, if you have any questions.

Replacing Your Honda Key Battery

Wondering how to open your Honda key fob to remove the old battery? The step-by-step guide below should help.

  1. With a jeweler’s screwdriver at the ready, remove the tiny screw on your key fob. With the screw removed, you should be able to remove the two plastic halves of the key fob with a flathead screwdriver. Be careful to hold the fob together, so that the contents and external buttons don’t fall loose.
  2. When you remove the dead battery, take note of the positive and negative sides. Also, try 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 Remote Engine Start key fob

Choosing the Right Honda Key Fob Battery

There are a few places where you can find the battery type for your Honda key fob. It should say on the back of the key fob itself. If that is illegible, you’ll be able to tell which kind of battery to use when you remove the battery that is dead. Most key fobs use a flat circular 3-volt battery, which can be found almost anywhere in the Troy and Farmington Hills areas. 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?

If your key fob falls apart, don’t panic! You can always use your backup key fob 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 Tamaroff Honda will be happy to help.


Tamaroff Honda Can Help With Honda Key Fob Battery Replacement

If you run into trouble while replacing the battery on your Honda key fob, feel free to reach out — we’re always happy to hear from Canton-area drivers here at Tamaroff Honda. Have other maintenance questions about changing a flat tire, tire rotation, or oil changes? Then our service tips and tricks section is the place to go. Of course, you can also come see us for service help or to check out our new Honda Inventory!


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Tamaroff Honda
Tamaroff Honda
28585 Telegraph Rd.
Southfield, MI, 48034 United States
(248) 965-1049
https://www.tamaroffhonda.com/wp-content/themes/DealerInspireDealerTheme/images/logo.png
Tamaroff Honda 42.497881, -83.2865974.