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7 Things About Key Fob Repair You'll Kick Yourself For Not Knowing
Key Fob Repair: Replacing the Battery

The buttons on key fobs could get damaged and stop working properly after being jostled in pockets and purses. This problem can be fixed by replacing the small battery that is usually located in the snap-out case that comes with the majority of car fobs.

If the contacts inside your key fob are worn, a new replacement may not be enough to bring it back to life. Fortunately, this is an easy fix that you can attempt at home:

Replace the battery

If your key fob seems slow or takes longer than usual to unlock or lock your car, it may be time to replace the battery. Replacing 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 on a trip to the dealership or a locksmith.

The majority of 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 store. The key fobs have slots for these batteries, and it is simple to replace the battery. Depending on the manufacturer you will need make use of a screwdriver to open the compartment.

Some key fobs have clips which hold the battery in place. If this is the case, gently lift these up with your fingers or a non-metallic device. Install the new battery, taking care to put it in the right place. Be aware of its orientation when removing the old one. It is essential to avoid touching the batteries' flat surfaces since finger marks 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 it doesn't work, you may need to open the fob again and verify that the battery is properly inserted.

It's also possible that a simple replacement of the battery isn't enough to solve the problem, such as physical or electrical injury. In that case, you'll need to bring your key fob into a dealer or automotive service center for repair. Before you do, there are four problems that a replacement battery cannot fix. It is important to be aware of these problems so that you're capable of contacting an expert technician in the event of need. You should also learn how to repair a key fob's defective transmitter to understand the reasons why it might not be functioning properly.

Clean the Contacts

It is essential to keep your key fobs clean to ensure their functionality and longevity. Over time, the natural oils of your fingertips and pocket lint can accumulate on the buttons and crevices and even cause keys to stop working altogether. All you need is rubbing alcohol an swab of cotton and alcohol to rub it on.

The key fob must be opened first by gently prying the battery out with either a screwdriver or coin. Note the type of battery (negative and positive side) to ensure you install it correctly.

After that you can use a cotton swab (or a small brush) to clean the buttons and the surrounding areas of the fob. Pay particular attention to the battery contacts, ensuring that they are free of dirt or grease. Once you are done, make sure to let the fob as well as its components dry completely.

If your fob doesn't work even after cleaning, you may need to reset the system. Check the owner's manual for the instructions on how to do this, and follow them accordingly. This could bring the key fob back to life if the issue was simply due to a dead battery.


It is important to maintain the key fob on a regular basis after it is cleaned and resynchronized. By regularly wiping it down with a damp cloth and mild soap, you can be sure that your key fob will work well for years to come.

Reset the system

Although today's modern key fobs are equipped with more features, are safer, and more convenient than ever before however, they may still experience some issues. Most of the time, these issues aren't too serious or difficult and can be solved with simple solutions, like changing the battery. If the issue is severe or cannot be resolved by simple methods such as auto repair shops, they will replace and reset your key fob.

The device's primary function is to lock or unlock your car, but you can also make use of it to enable certain vehicle features. One example is the ability to lower or raise a sunroof using the key fob. This feature is useful when you have to open the roof while you are stuck in traffic or your hands are full. Key fobs are also useful for summoning your car even if it's in a difficult place.

A key fob's internal circuitry and buttons can become faulty due to manufacturing defects or wear-and-tear. The signs could include intermittent behavior or failure to lock or unlock the car. Moisture or other electromagnetic interference sources may sometimes interfere with the proper function of a keyfob. If your key fob is damp or contaminated by dust, it's going to need to be cleaned before being used again.

Replacing the key fob battery or cleaning the contacts might solve a malfunctioning device, however, if it continues to run erratically it may be necessary to perform a factory reset. This will help eliminate bugs in the system and restore the operation of the device.

If you're unsure of how to perform the factory reset on your device, check the website of the manufacturer of your device or the owner's manual. car remote key repair near me require a special tool to complete the reset however, you should be able to find instructions that apply to the specific model you have.

Another option for resolving problems with your key fob is to contact an Apache Junction mobile car locksmith. These experts can program and replace keyfobs to fit almost all models of cars. They can also fix car keys that have chips inside the keys.

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