The 12 Most Popular Key Fob Repair Accounts To Follow On Twitter Key Fob Repair: Replacing the Battery

Being tossed around in purses and pockets keys fobs can be damaged and not register presses reliably. This problem can be fixed by replacing the small battery that is typically found in the snap-out case of most car fobs.

However, a fresh replacement could not be able to revive your key fob if the internal switch contacts are worn out. This is a simple fix you can do at home.

Replace the battery

It could be time to replace the battery if your key fob isn't working properly or takes longer to unlock or lock your vehicle than usual. It's good news that replacing a key fob battery is one of the most simple tasks you can complete yourself. This is a straightforward fix that will save you money when you go to the dealer or a locksmith.

Most key fobs require batteries that look like coins (CR2032 or similar) that you can find at any general store or home improvement store or auto parts store. The key fobs have an opening for these batteries, and it is easy to replace the battery. Depending on the manufacturer, you may require a screwdriver or another tool to open the cover for the battery compartment.

Some key fobs have clips which hold the battery in place; if so then gently lift them up using your fingers or a non-metallic tool. Remove the old battery and install an alternative one, and be careful to note its orientation so that you can put it in the correct place. It is crucial to avoid touching the batteries' flat surfaces, since scratches from fingers can decrease their life.

Close the case of the key fob and test its functionality by pressing the button. If it still doesn't work it may be necessary to reopen the fob and verify that the new battery is properly installed.

There is a chance that replacing the battery is not enough to solve the issue. This could be due to physical or electrical trauma. In this scenario, you will be required to bring your key fob to a dealership or auto service center to make repairs. However, before you do so, there are four issues that a battery replacement can't solve. It is important to be aware of these issues, so that you can seek help from a qualified technician if needed. You should also read about how to repair a defective key fob transmitter to learn more about why it may not be working correctly.

Clean the Contacts

Keeping your key fob clean is crucial to its function and longevity. Over time, the natural oils on your fingers and pocket dust can accumulate in the key fob buttons and crevices. This can cause keys to stop working. It's easy enough to fix, though all you need is ruby alcohol and a cotton swab.

First, key fob repair need to open the key fob by removing the lid off using the help of a coin or screwdriver and gently removing the battery. Make sure to note down the kind of battery it's (negative and positive sides) to ensure that you insert it again correctly after you are finished.

Then, use a cotton swab (or a small brush) to clean the buttons and surrounding areas of the fob. Pay particular attention to the battery's contacts, ensuring that they are clean of grease or dirt. When you are done, let the fob and all its components completely dry.

If your fob isn't functioning even after cleaning, you may want to reset the system. Consult your owner's manual for the instructions on how to do this, and follow them accordingly. This could be able to bring the key fob back to life if the issue was simply a dead battery.

After the key fob's been cleaned and resynched it is a good idea to keep up with regular maintenance. You can ensure that your key fob is functioning for many years by wiping it clean using a damp towel and mild soap.

Reset the System

Despite the fact that today's high-tech key fobs are more efficient, secure, and convenient than ever before, it's possible that they encounter some issues. Fortunately, most times the issues aren't major or complex, and can be fixed with simple methods like replacing the battery. If the problem is more severe, or if the issue cannot be resolved using simple methods, a professional auto repair shop can repair and replace the key fob.

The primary function of the device is to lock or unlock your car, however you can also use it to activate certain features of your vehicle. One example is the ability to lower or raise the sunroof by using the key fob. This feature is very helpful when you are stuck in traffic and need to open your roof. In the same way, the key fob can be used to summon your car when it is parked in a tight place.

The internal circuitry of the key fob could fail because of manufacturing defects or wear and wear and tear. Signs of this include irregular behavior, or an inability to lock or unlock the car. Moisture or other electromagnetic interference sources can sometimes affect the function of the keyfob. If your key fob is damaged by dust or become wet, it must be cleaned before you can use it again.

If the device continues to behave in a strange manner after replacing the key fob or cleaning the contacts, you may have to perform a factory resetting. This can fix system-related issues and improve device performance.


If you're unsure of how to perform a factory reset on your device, check the website of the manufacturer of your device or your owner's manual. Certain devices require specialized tools to reset them, but you'll find instructions for your specific model.

Contacting a mobile car locksmith in Apache Junction is another option to fix issues with your keyfob. These experts are able replace and program key fobs for almost all car models. In addition, they can also repair car keys with chips in the keys.