What's Holding Back The Key Fob Repair Industry? Key Fob Repair: Replacing the Battery

The buttons on key fobs can be damaged and stop functioning properly after being tossed around in purses and pockets. This issue can be addressed by replacing the battery that is typically found in the snap-out case of the majority of car fobs.

But, a new one may not revive your key fob if the switch's internal contacts are worn out. This is a simple fix that you can do at home.

Replace the battery

If your key fob feels sluggish or takes longer than usual to unlock or lock your vehicle, it could be time to replace the battery. Fortunately, replacing the battery of your key fob is one of the easiest tasks you can tackle yourself. It is also an inexpensive fix that can save you the hassle of an expert locksmith or a dealership.

The majority of key fobs need batteries that look like coins (CR2032 or similar) which can be found at any general store or home improvement store or auto parts stores. The key fobs usually come with a slot for these batteries, and opening the case to replace batteries is fairly straightforward. Depending on the brand you might need to use a screwdriver to open the compartment.

If your key fob has clips that hold the batteries in place, gently take them off them using your fingers or non-metallic tools. Install the new battery, making sure to put it in the right place. Be aware of its position when you take out the old one. Avoid touching the flat surfaces of batteries as this can reduce their life.

After the new battery has been installed and the key fob is closed, close its case and test it by pressing the button to make sure it works. If it doesn't work you might need to open the case again and check that the battery is properly inserted.

There is a chance that simply replacing the battery is not enough to fix the problem. This could be caused by electrical damage or physical trauma. In this case you'll have to take your key fob to a dealership or auto service center for repairs. However, before you do so, there are four issues that a battery replacement won't fix. It is crucial to be aware of the issues so that you are capable of contacting an experienced technician should you need. You should also learn how to repair a key fob's defective transmitter to learn more about why it may not be working correctly.

Clean the Contacts

It is crucial to keep your key fobs clean in order to maintain their functionality and longevity. Over time, the natural oils on your fingers and pockets can build up in key fob's buttons and in the crevices. This can cause the keys not to work. All you require is rubbing alcohol, the cotton swab, and some rubbing alcool.

Open the key fob first by gently prying the battery out using the help of a screwdriver or a coin. Note car key repairs near me of the battery (negative and positive side) so you can install it correctly.

Then, wet a small or swab with isopropyl (rubbing) alcohol and start cleaning away the dirt from all the buttons on the fob and the surrounding areas. Pay particular attention to the battery's contacts, making sure that they are clean of dirt or grease. Once you are done, be sure to allow the fob and its components dry completely.

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

Once the key fob has been cleaned and resynthesized it is a good idea to keep up with regular maintenance. By regularly wiping it down with a damp cloth and gentle soap, you can make sure that your key fob will perform well for long time to come.

Reset the system

Despite the fact that today's modern-day key fobs are more powerful and secure than ever before, it's possible to encounter certain problems. Most of the time, these issues aren’t serious or complex and can be fixed by simple methods, such as changing the battery. If the issue is more serious or is not resolved with simple techniques such as auto repair shops, they will replace and reset your key fob.

The primary purpose of the device is to lock or unlock your car, but you can also make use of it to activate certain vehicle features. The key fob can be used to lower or raise a sunroof. This feature is useful when you have to open the roof when stuck in traffic or when your hands are full. The key fob can be used to call your vehicle when it is stuck in a parking place.


The internal circuitry of a key fob and buttons may fail due to manufacturing defects or wear and tear. It could be a sign of unpredictable behavior or a complete failure to lock or unlock the car. Sometimes moisture, as well as other sources of electromagnetic interference could interfere with the operation of the key fob. If your key fob is dirty or has become wet, it must be cleaned prior to attempting to use it again.

If the device continues to behave erratically after replacing the key fob or cleaning the contacts, you could need to perform the factory reset. This will help eliminate system issues and restore performance of the device.

If you're unsure how to do a factory reset on your device, refer to the official website of the manufacturer or your owner's manual. Some devices require special tools to reset them, however you should find instructions specific to your model.

Another option for resolving problems with your key fob is to call an Apache Junction mobile car locksmith. They can repair and program keyfobs for nearly all models of cars. They can also fix keys that have chips.