A Step-By-Step Guide To Key Fob Repair

· 4 min read
A Step-By-Step Guide To Key Fob Repair

Key Fob Repair: Replacing the Battery

Being tossed around in pockets and purses, key fob buttons can deteriorate and fail to register presses with accuracy. Replacing the battery, which the majority of car fobs come with in a snap-out case can fix this problem.

If the contacts in the key fob are damaged, a new replacement may not be sufficient to make it work again. This is a simple fix you can do at home.

Replace the Battery

It could be time to change the battery if your key fob is slow or takes longer to unlock or lock your vehicle than normal. Luckily, replacing the battery of your key fob is one of the easiest tasks you can tackle yourself. It's a simple fix that will save you money on a trip to the dealership or locksmith.

You can buy a coin-style (CR2032) battery at any auto parts, home improvement, or general store. The key fobs come with an opening for these batteries, and it is easy to replace the battery. Depending on the manufacturer, you may require a screwdriver or another tool to remove the cover from the compartment for batteries.

Some key fobs have clips which hold the battery in place; if so then gently lift them up using your fingers or a non-metallic device. Install  https://www.g28carkeys.co.uk/car-key-repairs-near-me/ , taking care to install it correctly. Be aware of its position when you take out the old one. Avoid touching the flat surfaces of batteries as they can cause damage to their lives.

Close the case of the fob's key and test the functionality by pressing the button. If it's still not working, you may need to reopen the fob and make sure that the new battery is inserted correctly.

It's also possible that a simple replacement of the battery isn't enough to solve the issue, like electrical damage or physical trauma. In this instance you'll have to bring your key fob to a dealership or auto service center for repairs. Before you do this, there are four issues replacing the battery won't solve. It is important to be aware of the issues so that you are capable of contacting a qualified technician if necessary. You should also learn how to repair a key fob's defective transmitter to find out more about why it may not be functioning properly.

Clean the Contacts

It is important to keep your key fobs clean to maintain their function and durability. Over time, natural oils from your fingertips and pocket lint can build up on the crevices and buttons and even cause keys to stop working altogether. All you require is rubbing alcohol, the cotton swab, and some 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 put it back in the correct way.

Then, wet a swab or small brush 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 contacts, ensuring that they are clean of dirt or grease. After you're done, make sure to let the fob as well as its components dry completely.

If your fob isn't functioning even after cleaning, you may need to reset the system. Refer to the owner's manual of your device for the instructions on how to do this, and follow them accordingly. This could be able to bring the key fob back to life if the problem was due to an unresponsive battery.

After the key fob has been cleaned and resynced it is a good idea to maintain regular maintenance. You can ensure that your key fob is in good working order for a long time by wiping it clean using a damp towel and mild soap.

Reset the System

Although today's modern key fobs come with more features that are safer, more secure, and are more convenient than ever before but they are still susceptible to some problems. Fortunately, most times, these issues aren't serious or complex and are usually resolved with simple techniques like replacing the battery. If the problem is serious or isn't resolved with simple methods such as auto repair shops, they will replace and change the key fob.

The primary function of the device 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 lower or lift the sunroof. This feature is very helpful when you're stuck in traffic and require to open your roof. In the same way, the key fob can be used to summon your car when it is stuck in a parking place.

The internal circuitry of the key fob could fail because of manufacturing defects or wear and 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 affect the function of the keyfob. If your key fob is dirty or wet, or is contaminated by dust, it's going to require cleaning prior to being used again.

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

If you're not sure the best way to perform a reset then consult the device's owner's guide or the manufacturer's site. Certain devices require special tools to reset them, but you'll need to find the correct instructions for your specific model.


Contacting a mobile car locksmith in Apache Junction is another option to resolve problems with your keyfob. These experts can program and replace keyfobs to fit almost all models of cars. They can also repair keys that have chips.