Are You Getting The Most From Your Key Fob Repair? Key Fob Repair: Replacing the Battery

The buttons on key fobs may be damaged and stop working after being tossed around in pockets and purses. This issue can be addressed by replacing the small battery that is typically found in the snap-out cases of the majority of car fobs.

But, a new one may not revive your key fob if its internal switch contacts are worn out. This is a simple fix that you can perform at home.

Replace the battery

It may be time to replace the battery in your key fob if it is slow or takes longer to unlock or lock your vehicle than it does on a regular. Replacing a key fob's battery is one of those simple tasks you can do yourself. It's also a cost-effective solution that will help you avoid a trip to a professional locksmith or dealership.

The majority of key fobs need a coin-style battery (CR2032 or similar) that you can find at any general store or home improvement store or auto parts store. The key fobs have slots for these batteries and it is easy to replace the battery. Depending on the manufacturer, you may have to use a screwdriver in order to open the compartment.

If your key fob has clips that keep the batteries in place, remove them using your fingers or other non-metallic tools. Install the new battery, making sure to put it in the right place. Be aware of its orientation when you remove the old one. It is essential to avoid touching the battery's flat surfaces since scratches from fingers can decrease their lifespan.

After the new battery has been installed and the key fob is closed, close its case and test it by pressing the button to make sure it works. If it's still not working, you may need to open the case again and verify that the new battery is inserted correctly.


It's also possible that a simple battery replacement will not be enough to resolve the issue, for instance physical or electrical trauma. In this instance, you will be required to bring your key fob to a dealer or auto service center to make repairs. But, before doing so, there are four common issues that a replacement battery won't fix. It is essential to be aware of these problems so that you're in a position to find an expert technician in the event of need. It is also important to learn how to repair a defective key fob transmitter to learn more about why it may not be working properly.

Clean the Contacts

Cleaning your key fob is crucial to its function and longevity. Over time, the natural oils of your fingers and pocket lint can accumulate on the keys' crevices and buttons and may cause keys to stop working completely. It's easy enough to fix, though - all you need is ruby alcohol and a cotton swab.

Then, open the key fob by popping the lid off using the help of a coin or screwdriver and gently prying out the battery. Note the kind of battery (negative and positive sides) so you can install it correctly.

Then, moisten a cotton swab or small brush with isopropyl (rubbing) alcohol and start cleansing the dirt off all of the fob's buttons and the surrounding areas. Pay particular attention to the contacts of the battery and make sure they are clean. Once you are done, be sure to allow the fob and its components completely dry.

If your fob still won't work after cleaning it, it might be an ideal idea to reset the system. Consult your owner's manual for the instructions on how to do this, and follow them. This could bring the key fob back to life if the problem was simply a dead battery.

Once the key fob has been cleaned and resynced it is a good idea to keep up with regular maintenance. By regularly wiping it down with a damp cloth and mild soap, you can make sure that your key fob will perform well for years to come.

Reset the System

Even though today's high tech key fobs are equipped with more features that are safer, more secure, and more convenient than ever before but they are still susceptible to some problems. Luckily, the majority of the time problems aren't severe or complex, and can be resolved with simple techniques such as replacing the battery. If the issue is more severe or if the issue can't be solved by simple solutions, a professional auto repair shop can replace and reprogram the key fob.

Making your car lock or unlock with the key fob is the principal purpose of the device however, it can also be used to enable certain features of your vehicle. The key fob can be used to lower or raise the sunroof. This feature can be very useful when you have to open the roof when stuck in traffic or your hands are full. Similarly, the key fob can be used to call your car when it's parked in a tight place.

The internal circuitry of a key fob can malfunction because of manufacturing defects or wear and tear. key fob repair near me may include intermittent behavior or failure to lock or unlock the car. Sometimes moisture, as well as other electromagnetic interference sources could interfere with the operation of the key fob. If your key fob is damp or contaminated by dust, it's going to need to be cleaned before being used again.

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

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

Another option to resolve problems with your key fob is to call an Apache Junction mobile car locksmith. These experts can replace and program keyfobs to fit almost all car models. They can also fix keys that have chips.