20 Resources That'll Make You More Efficient At Key Fob Repair Key Fob Repair: Replacing the Battery

The buttons on key fobs could become damaged and stop working after being tossed around in purses and pockets. Replacing the battery, which the majority of car fobs are equipped with in a snap-out bag, may fix the problem.

If the contacts on your key fob have damaged, a replacement may not be enough to bring it back to life. It's a good thing that 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 isn't working properly or takes longer to unlock or lock your car than usual. It's good news that replacing a key fob's battery is one of the easiest tasks you can tackle yourself. It's also a cheap solution that will save you the hassle of a professional locksmith or dealership.

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 stores. The key fobs come with slots for these batteries, and it is easy to replace the battery. Depending on the brand you might need to use a screwdriver to open the compartment.

Some key fobs have clips that secure the battery in place; If this is the case then gently lift them up with your fingers or a non-metallic tool. Install the new battery, making sure to put it in the right place. Be aware of its orientation when you remove the old one. Avoid touching the flat surfaces of batteries since they can cause damage to their lives.

Once the new battery is installed and the key fob is closed, close its case and test it by pushing the button to make sure it is working. If the key fob isn't working, you might need to open it again and ensure that the battery is inserted correctly.

It could also be that a simple replacement of the battery is not enough to resolve the issue. This could be caused by electrical damage or physical trauma. In this instance, you will have to bring your key fob to a dealership or auto service center to make repairs. Before you do, there are four issues a replacement battery cannot solve. It is crucial to be aware of the issues so that you are capable of contacting a qualified technician if necessary. You can also read how to fix the malfunctioning transmitter of a key fob to determine the reason why it's not working.

Clean the Contacts

It is crucial to keep your key fobs clean to ensure their function and durability. Over time, natural oils from your fingertips and pocket lint can accumulate on the buttons and crevices and even cause keys to cease working completely. It's simple enough to fix, though all you need is some rubbing alcohol and a cotton swab.

First, open up the key fob by taking the lid off using a screwdriver or coin and gently prying out the battery. Note car key fob repairs of battery (negative and positive side) so you can put it back in the correct way.


Then then, apply a cotton swab (or a small brush) to clean the buttons as well as the surrounding areas of the fob. Pay special attention to the battery contacts, making sure they are free of grease or dirt. After you're done, be sure to let the fob and its components dry completely.

If your fob doesn't function after cleaning it, it could be an idea to reset the system. Refer to the owner's manual of your device for directions on how to do this and follow them accordingly. If the key fob was dead, this may be enough to bring it back to life.

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

Reset the system

Despite the fact that today's modern-day key fobs are more powerful, secure, and convenient than ever before, it's possible that they encounter some issues. Fortunately, most times the issues aren't major or complex and are usually resolved with simple techniques such as replacing the battery. If the problem is serious or is not resolved with simple methods, an auto repair shop will replace and reset your key fob.

Getting your car to lock or unlock using the key fob is the principal purpose of the device, but it can also be used to activate some features of your vehicle. One example is the ability to lower or raise the sunroof with the key fob. This feature is very helpful when you're stuck in traffic and need to open your roof. The key fob can be used to call your car when it is parked in a tight place.

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

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

If you're unsure of how to do a factory reset on your device, check the website of the manufacturer of your device or your owner's manual. Certain devices require specialized tools to reset them, however you'll need to find the correct instructions specific to your model.

Contacting a mobile car locksmith in Apache Junction is another option to solve problems with your keyfob. These professionals can program and replace keyfobs for nearly all models of cars. They can also fix car keys that have chips inside the keys.