Lost Car Keys Replacement

All You Need to Know about Car Keys, Programming and more

Honda Key Fob Battery Replacement – How to Replace, Costs, Size, What to Do When the Battery is Dead and More.

Honda key fob battery replacement - Inside look
Honda key fob battery replacement – Inside look

 

Most Honda models made after 2010 use a key fob, or a push to start remote key technology. This type of key has advanced security features, as well as built-in keyless entry and more.

Prefer to watch a video how to replace the battery? Click here to see a list of Honda key fobs and choose yours.

 

Key fob batteries
Key fob batteries

This type of key fob is battery operated. Once in a while, there are some issues with the key fob because of this battery. We will go over some important information and a few tips about what to do when the battery is dead, how to change the battery, cost, and some technical information.

2021 Honda key fob battery
2021 Honda key fob battery

Most of Honda model’s key fobs use the same battery which is CR2032. This battery is very common and you can find it in most hardware stores, AutoZone, locksmith shop, and online. You can order it here.

Price of Honda key fob battery: Usually less than $6

Battery operated transponder remote head key - Honda
Battery operated transponder remote head key – Honda

We also recommend getting a cover for the key fob to keep it in better condition. Honda key fob cover cost about $10-$15 and definitely worth the price. You can order it online here

 

Before we get into some specific information, here is some useful information you must know:

First, if you are locked out of your car because the key fob battery is dead you can use the emergency key provided with the key to unlock the car door.

Honda key fob emergency key used to unlock the doors in case the battery is dead
Honda key fob emergency key used to unlock the doors in case the battery is dead

 

All Honda key fobs have an emergency key - make sure yours is cut like in this picture
All Honda key fobs have an emergency key – make sure yours is cut like in this picture

 

How to start Honda with a dead key fob?

In case you need to start your Honda with a dead key fob simply push the "start" button with your key fob
In case you need to start your Honda with a dead key fob simply push the “start” button with your key fob

You can start your Honda by pushing the “Start” button with your key fob. The car’s computer recognizes the chip inside the key fob and authorizes the process.

This way, you will be able to start your vehicle EVEN if the key fob battery is dead.

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Technical information for CR-2032 battery: (Click for more information from Panasonic)

Diameter (mm): 20

Height (mm): 3.2

Voltage (V): 3

 

Technical information for CR-1616 battery: (Click for more information from Panasonic)

Diameter (mm): 16

Height (mm): 1.6

Voltage (V): 3

 

Programming information:

Honda key fob coding isn't necessary after replacing the battery
Honda key fob coding isn’t necessary after replacing the battery

After replacing the key fob battery, there is no need to do any special programming. The key fob should work as usual.

However, if you just bought a new key fob, you will need to have it programmed to start the car. This can be done by an automotive locksmith or a dealership. Click here for more information about key fob programming.

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Below, are Honda key fobs and transponder keys that are battery operated. For your convenience, we made a video of how to replace the battery (We will keep updating this page with additional videos of new key fobs and transponder keys).

 

Honda Accord, Civic, CR-V, CR-Z, Clarity, Crosstour, Fit, HR-V, Insight, Odyssey, Ridgeline, Passport, Pilot key fob battery replacement (e.g. KR5V1X)

[embedyt] https://youtu.be/e6hqwlcQyBw[/embedyt]

 

Honda Accord, Pilot transponder key battery replacement (e.g. CWTWB1U545)

[embedyt] https://youtu.be/3f_p2ng1lbg[/embedyt]