How To Repair A Key Fob

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No matter what type of key play a trick on you have, you tin replace the bombardment in a few minutes. The technique to open the fob and the battery you need differs slightly depending on the specific key play tricks you ain. Pry open the play a trick on, then swap the erstwhile bombardment out for a new one. Your key play a trick on should then work every bit intended once more.

1. ane

   Move the central out of the way if it is in the fox. This depends on what kind of fob you have. Car key fobs for example typically hold the key when information technology is not in employ. You have to open the key, although in some fobs the key is removable. Either slide the key out or jump it abroad from the flim-flam.

   • A fob with a sliding key has a small push button on the top. Hold the button down while pulling on the central to remove it.
   • For a fob with a springing key, printing the leap button on the fob or pull the key frontward to get it out of the fashion.

2. 2

   Unscrew the dorsum of the primal fob. Flip the key fob over and look for at least i screw holding in the plastic. These screws are tiny, so you will demand a small Phillips head screwdriver. Rotate the screw counterclockwise to remove it. Work slowly to avoid stripping the screw.

   • Set the screw aside in a safe spot, such as inside a resealable bag or small cup, to avoid losing it.

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3. 3

   Twist a coin in the side slot if the trick has one. Many, but not all, fobs take a pocket-sized indentation on the side. Use a modest coin or a flat head screwdriver. Push the end into the slot, and so turn the object to separate the fob'due south halves.^[1]

4. 4

   Pry the encompass off if information technology doesn't have a slot. Your play a trick on will take a seam around the side edges. This is where the trick's halves run across. Push the tip of a flat caput screwdriver into the seam to divide the halves. Then, lift the screwdriver to pry the embrace off.

   • Prying a stuck embrace is easier if you utilize the screwdriver on all of the fob's sides. Work the bract into the seam in a few different spots to split the halves.

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1. ane

   Pry the battery out with a screwdriver. The battery looks like a pocket-size, silver coin placed in fox's eye. Attempt to remove the bombardment by sliding it out with your fingers. If this doesn't happen, elevator it out with a flat screwdriver or the end of a paperclip. Slide the screwdriver's head under the battery and gently lift it to remove it.^[2]

   • Some fobs have clips over the battery. Lift the clips with the screwdriver to free the bombardment. Move slowly, lifting the clips as gently every bit possible to avoid breaking them.

2. two

   Slide the new bombardment into identify. Fit the new battery into the slot where the old one was. Cheque the fob's plastic for a diagram showing how to install the battery. Commonly, the battery fits with the positive side face-upward. You won't demand to do anything else to secure it likewise plumbing equipment information technology into the battery slot.

   • Fobs generally use small, coin-shaped batteries similar CR2025 or CR2032. You tin can usually find them at general stores, domicile improvement stores, and some auto part stores.
   • To observe the specific type of bombardment yours uses, consult the owner'south manual of inspect the fob and battery for a characterization.

3. 3

   Spiral the fob back together. Put the cover back on the play a trick on. Push button down on it so it snaps in place over the battery. Then, supplant the screw. Turn information technology clockwise until information technology tightly binds the cover;due south halves together.^[3]

4. iv

   Test the key play tricks. Bespeak the key fob at your car or other device and attempt to utilize it. Information technology should piece of work correct away. If it doesn't, the bombardment may be upside-downward. You will demand to take the fox apart again to test this. If that doesn't set up it, the flim-flam may be cleaved.^[4]

   • A dealer or an machine locksmith can supervene upon the fob. Y'all may also exist able to buy a new fob and programme it yourself.

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Add New Question

• Question

  Where can I get a bombardment for the key fox?

  

  i am dat skull

  Customs Answer

  Fobs generally utilise small, coin-shaped batteries like CR2025 or CR2032. You can usually observe them at full general stores, habitation improvement stores, and some auto function stores. To find the specific blazon of battery yours uses, consult the owner's manual of audit the pull a fast one on and battery for a label.

• Question

  Are the CR2025 and CR2023 interchangeable?

  

  Upnorth Here

  Peak Answerer

  Not ever. They both accept iii volts and the same diameter, but 2.3 mm of the CR2032 is non as thick every bit ii.5 mm of the CR2025 jail cell. Some devices may have adequate spring travel for the difference, but other devices will only work with the proper prison cell thickness.

• Question

  Is a CR2016 the same as a CR2032 or a CR 2025?

  

  Upnorth Here

  Elevation Answerer

  No, it is non the same as either of those. For one thing, the 2016 and 2032 are different sizes, i.e., a difference of 160 micrometers in thickness. You might exist able to shim a 2016 with conductive foil equally a temporary substitute in some cases. Similarly, the CR2025 is 7 tenths of a millimeter thinner than a CR2032 and 9 tenths of a mm thicker than CR2016.

• Question

  What practice batteries cost?

  

  Upnorth Here

  Tiptop Answerer

  Bombardment prices range, like anything else, according to the quality and the availability. If you order online, they may be cheaper in bulk, say $one each. If you go to the corner convenience store, it might exist a package of two for $5.

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• Key fobs vary, so the bombardment replacement process may too vary. Consult your possessor's manual or search for your trick's manufacturer online to observe more than instructions.

Thanks for submitting a tip for review!

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Things Yous'll Need

• Phillips head screwdriver
• Flat head screwdriver
• New battery

About This Article

Article Summary 10

To replace the battery in your key play a joke on, start by unscrewing its dorsum with a small Philips screwdriver. Prepare the screw aside somewhere safe so you don't lose information technology. If your fob has a pocket-sized indentation along the side, button a small coin or flat head screwdriver within and twist it to divide the halves. If there's no indentation, push your screwdriver in the seam and pry the halves apart. In one case you've opened your fob, replace the battery, which is usually a small-scale coin-shaped spotter battery. Finally, close your trick and secure the screw in place. For more tips, including how to supersede a car key bombardment, read on!

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