15 Interesting Hobbies That Will Make You Smarter At Key Fob Repair Key Fob Repair: Replacing the Battery

Getting jostled around in pockets and purses, key fob buttons can deteriorate and fail to register presses accurately. Replacing the small battery, which the majority of car fobs come with in a snap-out case, may fix the issue.

If the contacts inside the key fob are damaged, a new replacement might not be enough to make it work again. Fortunately, this is an easy fix that you can do at home:

Replace the battery

It could be time to change the battery in your key fob if it is slow or takes longer to unlock or lock your vehicle than usual. Replacing the battery of your key fob is one of the easy tasks you can complete yourself. It is also an inexpensive fix that could help you avoid a trip to an expert locksmith or a dealership.

Most key fobs require a coin-style battery (CR2032 or similar) which can be found at any general store or home improvement center or auto parts stores. Key fobs come with slots for these batteries, and it is easy to replace the battery. Depending on the manufacturer, you might require an instrument such as a screwdriver to open the cover of the battery compartment.

Some key fobs come with clips that secure the battery in place; if so, gently lift these up using your fingers or a non-metallic device. Remove the old battery and install the new one, but be cautious to note the orientation so that you can put it in the correct place. Avoid touching the flat surfaces of batteries as this can reduce their life.

After the new battery has been installed, close the key fob's case and test it by pushing the button to confirm it is working. If the key fob still does not work, you'll need to open it again and make sure the battery is properly inserted.

It is also possible that a simple replacement of the battery isn't enough to fix the issue, for instance physical or electrical trauma. In this case, you'll need to bring your key fob into an auto service or dealer center to repair. Before you do that, there are four issues that a replacement battery cannot fix. It is essential to be aware of these problems so that you're capable of contacting a qualified technician if necessary. You can also learn how to fix the malfunctioning transmitter of a key fob in order to discover the reason it's not working.

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 buttons and crevices. This can lead to the keys not to work. It's simple enough to fix all you need is some ruby alcohol and a cotton swab.

First, open the key fob by gently prying the battery out using either a screwdriver or coin. Note the type of battery (negative and positive sides) so that you can install it correctly.

Then, wet a cotton swab or small brush with isopropyl (rubbing) alcohol and begin cleansing the dirt off all of the fob's buttons and the surrounding areas. Pay particular attention to the battery's contacts and make sure they are clean. After you have finished, let the fob and all its components completely dry.

If your device isn't working even after cleaning, you might be required to reset your system. Check the owner's manual for instructions on how to do this, and follow them. If the key fob is dead, this might be enough to bring it back to life.

It is essential to keep the key fob on a regular basis after it is cleaned and resynchronized. You can ensure that your key fob is working well for many years by wiping it with a damp towel and mild soap.

Reset the System

Even though today's high tech key fobs come with more features, are safer, and more convenient than ever, they can still encounter some problems. Fortunately, most of the time problems aren't severe or complicated and are often resolved with simple techniques such as replacing the battery. If the issue is more serious or is not resolved with simple techniques, an auto repair shop will replace and change the key fob.

The device's primary function is to lock or unlock your car, however you can also make use of it to activate certain vehicle features. The key fob can be used to lower or lift a sunroof. This feature is very useful when you're stuck in traffic and require to open your roof. In the same way, the key fob can be used to call your car when it's located in a tight spot.


The internal circuitry of the key fob may fail due to manufacturing defects or wear and wear and tear. Symptoms may include intermittent behavior or failure to lock or unlock the car. Sometimes moisture, or other electromagnetic interference sources can affect the operation of a key fob. If car key repairs near me is damp or contaminated by dust, it's likely to need to be cleaned before being used again.

Replacing the battery of your key fob or cleaning the contacts can help fix a malfunctioning device however, if it continues to run erratically it may be necessary to perform a factory reset. This can fix system-related issues and improve the performance of your device.

If you're unsure of how to do a factory reset on your device, check the device manufacturer's website or the manual of your owner. Certain models require a specific tool to complete the reset however, you should be able to find instructions that apply to the specific model you have.

Another option to resolve issues with your key fob is to call an Apache Junction mobile car locksmith. These experts are able replace and program key fobs on almost all car models. Additionally, they can also repair car keys that have chips inside the keys.