Key Fob Repair: Replacing the Battery

Getting jostled around in purses and pockets, key fob buttons can get damaged and stop registering presses with accuracy. Replacing the battery, which the majority of car fobs are equipped with in a snap-out case, can fix this issue.

But, a new one is not likely to restore your key fob if its internal switch contacts are worn out. There's an easy fix you can attempt at home:

Replace the battery

If your key fob feels slow or takes a longer time to unlock or lock your vehicle, it could be time to replace the battery. The replacement of a key fob's battery is one of the easy tasks that you can perform yourself. It's a simple fix that will save you money and time on a trip to the dealership or locksmith.

The majority of key fobs require batteries that look like coins (CR2032 or similar) which you can purchase at any general store, home improvement center, or auto parts stores. The key fobs have slots for these batteries, and it is simple to replace the battery. Depending on the manufacturer, you might need to use an instrument such as a screwdriver to open the cover of the battery compartment.

Some key fobs come with clips which hold the battery in place. if so you can gently lift them up using your fingers or a non-metallic tool. Install the new battery, taking care to place it in the correct way. Note its orientation when removing the old one. Avoid touching the flat surfaces of batteries since they can cause damage to their lives.

Close the case of the key fob and test the functionality by pressing the button. If the key fob does not work, you'll have to reopen it and ensure that the battery is inserted correctly.

It is also possible that a simple battery replacement isn't enough to fix the issue, like electrical damage or physical trauma. In this instance you'll be required to take your key fob to a dealer or auto service center to make repairs. But, before doing so, there are four common problems that a replacement battery won't solve. It is essential to be aware of the issues so that you're able to seek out an expert technician in the event of need. You should also read about how to fix a key fob's faulty transmitter to learn more about why it may not be functioning properly.

Clean the Contacts

Keeping your key fob clean is essential to its function and lifespan. Over time the natural oils on your fingers and pockets can build up in the key fob buttons and crevices. This can lead to the keys not to work. All you need is rubbing alcohol, an swab of cotton and alcohol to rub it on.

First, open the key fob by gently prying the battery out using either a screwdriver or coin. Make sure you note the type of battery it is (negative and positive sides) to ensure that you put it back in the correct way when you're done.

Then you can apply a cotton swab (or a small brush) to clean the buttons and the surrounding areas of the fob. Make sure to pay special attention to the contacts of the battery, and that they are clean. Once you're done your task, allow the fob and all its components completely dry.

If your fob still won't function after cleaning it, it could be a good idea to reset the system. Check the owner's manual for directions on how to do this and follow them. If the key fob was dead, this could be enough to bring it back to life.

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

Reset the system

Although today's ultra-modern key fobs are equipped with more features that are safer and more convenient than ever before, they can still encounter some problems. Fortunately, most of the time, these issues aren't serious or complex, and can be solved with simple solutions like replacing the battery. If the problem is more severe or if the issue isn't resolved by simple solutions such as a professional auto repair Car key shop can repair and replace the key fob.

The device's primary function is to lock or unlock your car, however you can also make use of it to enable certain vehicle features. The key fob can be used to lift or lower a sunroof. This feature can be very useful when you have to open the roof while stuck in traffic or when your hands are full. Key fobs are also helpful in bringing your car to life when it's parked in a difficult location.

The internal circuitry of a key fob and buttons could fail due to manufacturing defects or wear-and-tear. Symptoms may include unpredictable behavior or a complete failure to lock or unlock the car. Sometimes moisture, as well as other sources of electromagnetic interference can interfere with the proper operation of a key fob. If your key fob has been contaminated with dust or has become wet, it must be cleaned before you can use it again.

If the device continues to behave unpredictably after replacing the key fob or cleaning the contacts, you may have to perform the factory reset. This can fix system bugs and improve the performance of your device.

If you're not sure how to perform a factory reset on your device, check the website of the manufacturer of your device or the manual of your owner. Some devices require special tools to reset them, however you'll find instructions specific to your model.

Another option to resolve issues with your key fob is to contact an Apache Junction mobile car key fob repair service locksmith. They are able to replace and program key fobs for nearly all makes of cars. Additionally, they can also repair car keys with chips in the keys.