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Replacing batteries in key fab

  #1  
Old 10-23-2017, 12:50 PM
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Replacing batteries in key fab

I am looking for information on replacing batteries on key fab. I am getting key fab warning with even my 2nd key fab. I think, i need to replace batteries asap.
 
  #2  
Old 10-23-2017, 01:04 PM
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You can buy them cheap at about any hardware store. We got them at Bed Bath and Beyond. The type of battery is in the manual as is how to replace them.

The dealer can do it too. Before I knew how easy it was mine did mine for 12 dollars...like a watch battery.
 
  #3  
Old 10-23-2017, 01:14 PM
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What are the tools needed. I can get the batteries from Frys. But I couldn't locate any screw on the key fab to open battery compartment.

Thanks
 
  #4  
Old 10-23-2017, 03:28 PM
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On my key fob, there's a screw on the back cover right next to the metal key in the center.

Remove the screw and gently pry apart the two halves of the cover.
 
  #5  
Old 10-23-2017, 03:32 PM
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Replacing the Button Battery

Keys with Remote Transmitter*
Battery type: CR1620
1. Unscrew the cover with a small Phillipshead
screwdriver.
2. Open the remote transmitter.
u Wrap the small flat-tip screwdriver with a
cloth to prevent scratching the
transmitter.
3. Remove the button battery with the small
flat-tip screwdriver.
4. Make sure to replace the battery with the
correct polarity.

Smart Entry Remote*
Battery type: CR2032
1. Remove the built-in key.
2. Remove the upper half of the cover by
carefully prying on the edge with a coin.
u Remove carefully to avoid losing the
buttons.
u Wrap a coin with a cloth to prevent
scratching the smart entry remote.
3. Make sure to replace the battery with the
correct polarity.

Toolless with the Smart Key, I just tried it and it's easy enough
 
  #6  
Old 10-23-2017, 05:38 PM
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Originally Posted by bargainguy View Post
On my key fob, there's a screw on the back cover right next to the metal key in the center.

Remove the screw and gently pry apart the two halves of the cover.
Thanks. I do not have any screwes to my remote.
 
  #7  
Old 10-23-2017, 05:40 PM
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Originally Posted by 2Rismo2 View Post
Replacing the Button Battery

Keys with Remote Transmitter*
Battery type: CR1620
1. Unscrew the cover with a small Phillipshead
screwdriver.
2. Open the remote transmitter.
u Wrap the small flat-tip screwdriver with a
cloth to prevent scratching the
transmitter.
3. Remove the button battery with the small
flat-tip screwdriver.
4. Make sure to replace the battery with the
correct polarity.

Smart Entry Remote*
Battery type: CR2032
1. Remove the built-in key.
2. Remove the upper half of the cover by
carefully prying on the edge with a coin.
u Remove carefully to avoid losing the
buttons.
u Wrap a coin with a cloth to prevent
scratching the smart entry remote.
3. Make sure to replace the battery with the
correct polarity.

Toolless with the Smart Key, I just tried it and it's easy enough
Thanks for the help. I have smart entry remote. Just checked youtube video. Going to try frying 2 sides using a coin.

Thanks
 
  #8  
Old 10-23-2017, 08:03 PM
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I didn't need a coin, was able to pry the two halves apart with my bare hands.
 
  #9  
Old 10-23-2017, 11:13 PM
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Originally Posted by 2Rismo2 View Post
I didn't need a coin, was able to pry the two halves apart with my bare hands.
I used coin and replaced batteries in both the key fabs.
 
  #10  
Old 10-24-2017, 06:57 AM
Press Fit's Avatar
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Location: cascadia
Posts: 481
My Honda salesman demonstrated prying open the keyless-entry fob with the tip of the key that's stored in the fob.
 
  #11  
Old 10-24-2017, 07:15 AM
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LOL wouldn't you know it, the car indicated low battery this morning! Car built on 12/14 so almost 3 years.

I have been noticing the door responding a bit slower to open so I guess that was the early warning.

It's a panasonic battery made in Indonesia btw.
 
  #12  
Old 10-27-2017, 09:32 AM
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The Beatles were called "The Fab Four".
The thing that starts my Honda...is called a Fob.
 
  #13  
Old 12-02-2018, 05:49 PM
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Originally Posted by ritholtz View Post
I used coin and replaced batteries in both the key fabs.
As described elsewhere, we did this and the fob exploded into 100 pieces (okay, maybe 200). Took 2 hours to reconstruct.

$13.00 every two or three years...the dealer can do it.

 
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