15 Surprising Facts About Key Fob Repair Key Fob Repair: Replacing the Battery

The buttons on key fobs can be damaged and stop working properly after being tossed around in pockets and purses. This issue can be resolved by replacing the battery that is usually located in the snap-out case that comes with most car fobs.

If the contacts inside your key fob have damaged, a replacement might not be enough to make it work again. This is a simple fix that you can perform at home.

Replace the Battery

It's possible to replace the battery in your key fob if it is slow or takes longer to unlock or lock your car than usual. It's good news that replacing the battery of your key fob is among the simplest tasks that you can do yourself. This is a simple fix that will save you money when you go to the dealership or locksmith.

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 center or auto parts store. Key fobs come with slots for these batteries and it is simple to replace the battery. Depending on the brand you will need to use a screwdriver in order to open the compartment.

Some key fobs come with clips which hold 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. It is important to avoid touching the battery's flat surfaces, as finger marks can shorten their lifespan.


After the new battery has been installed then close the key fob's case and test it by pushing the button to ensure it works. If the key fob still does not work, you'll have to reopen it and make sure the battery is properly inserted.

You may also find that replacing the battery isn't enough to solve the issue. This could be caused by physical or electrical trauma. In this scenario, you will be required to take your key fob to a dealership or auto service center to make repairs. However, before you do this, you should be aware of four common problems that a battery replacement won't solve. It is essential to be aware of the issues so that you are capable of contacting an experienced technician should you need. car key fob repair near me should also learn how to fix a key fob's faulty transmitter to understand why it may not be functioning properly.

Clean the Contacts

Cleaning your key fob is crucial to its function and life. Over time, the natural oils on your fingers and pockets can build up in key fob's buttons and in the crevices. This can lead to the keys not to work. It's easy enough to fix all you need is ruby alcohol and a cotton swab.

First, you need to open the key fob by taking 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 put it back in the correct way when you're done.

After that you can use a cotton swab (or a small brush) to clean the buttons and the surrounding areas of the fob. Be sure to pay particular attention to the contacts of the battery, and that they are clean. When you are done your task, allow the fob and all its components completely dry.

If your fob isn't functioning even after cleaning, you may be required to reset your system. Check the owner's manual to find out how to reset the system. If the key fob was just dead, this could be enough to bring it back to life.

It is essential to keep the key fob regularly after it has been cleaned and resynchronized. You can keep your key fob functioning for many years by wiping it clean with a damp towel and mild soap.

Reset the system

Despite the fact that today's high-tech keys fobs are more efficient and secure than ever before, it's possible that they run into some problems. Fortunately, most of the time the issues aren't major or complex and are usually solved with simple solutions such as replacing the battery. If the issue is more severe or the issue cannot be resolved with simple methods, a professional auto repair shop can replace and reprogram the key fob.

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

The internal circuitry inside a key fob can malfunction because of manufacturing defects or wear and tear. Symptoms include erratic behavior, or a complete failure to lock or unlock the car. Sometimes, moisture or other electromagnetic interference sources could interfere with the operation of the key fob. If your key fob is wet or contaminated with dust, it's going to need to be cleaned before being used again.

If the device continues to behave in a strange manner after replacing the key fob or cleaning the contacts, you could require a factory resetting. This will eliminate system issues and restore operating efficiency of the device.

If you're unsure of how to do a factory reset on your device, consult the official website of the manufacturer or the manual of your owner. Certain 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 call an Apache Junction mobile car locksmith. These experts can repair and program keyfobs for almost all models of cars. They can also repair car keys with chips in them.