Key Fob Repair: Replacing the Battery

The buttons on key fobs may become damaged and stop functioning properly after being jostled in pockets and purses. This issue can be resolved by replacing the battery that is typically found in the snap-out cases of most car fobs.

If the contacts on your key fob are damaged, a new replacement might not be enough to bring it back to life. It's a good thing that this is an easy fix that you can attempt at home:

Replace the battery

If your key fob feels sluggish or takes longer than normal to unlock or lock your car, it might be time to replace the battery. Luckily, replacing the battery of your key fob is among the simplest tasks you can complete yourself. It is also an inexpensive solution that will save you a trip to a professional locksmith or dealership.

The majority of key fobs require a coin-style battery (CR2032 or similar) that you can find at any general store or home improvement store or auto parts store. Key fobs typically come with a slot for the batteries and opening the case to replace batteries is quite simple. Based on the brand you might need to use a screwdriver in order to open the compartment.

If your key fob comes with clips that hold the batteries in place, gently remove them using your fingers or with non-metallic tools. Remove the old battery and install the new one, but be mindful of its orientation so that you can put it in the correct place. It is essential to avoid touching the batteries' flat surfaces since scratches from fingers can decrease their lifespan.

Close the case of the key fob and test its functionality by pressing the button. If the key fob doesn't function, you may have to reopen it and make sure the battery is properly inserted.

There is a chance that replacing the battery isn't enough to resolve the issue. This could be caused by electrical damage or physical trauma. In this situation, you'll need bring your key fob into a dealer or automotive service center to repair. However, before doing this, you should be aware of four common issues that a battery replacement can't fix. It is essential to be aware of these issues so that you are able to seek out a qualified technician if necessary. You should also learn how to repair a key fob's defective transmitter to learn more about why it may not be working properly.

Clean the Contacts

It is crucial to keep your keys clean in order to maintain their functionality and longevity. Over time, the natural oils of your fingers and pocket lint can accumulate on the keys' buttons and crevices, and can even cause keys to stop functioning completely. All you need is rubbing alcohol, an swab of cotton and alcohol to rub it on.

Then, open the key repair service fob by taking the lid off with a screwdriver or coin and gently prying out the battery. Note the type of battery (negative and positive side) to ensure you install it correctly.

Then, moisten a cotton swab or small brush with isopropyl (rubbing) alcohol and begin taking off the dirt from all of the fob's buttons and the surrounding areas. Pay special attention to the battery contacts, ensuring that they are free of any grease or dirt. Once you're done cleaning the fob, let it and its components completely dry.

If your fob doesn't work even after cleaning, you might want to reset the system. Consult your owner's manual for instructions on how to do this and follow them. If the key fob was dead, this might be enough to bring it back to life.

It is important to maintain the key fob in good condition after it is cleaned and resynchronized. By wiping it clean with a damp cloth and mild soap, you can be sure that your key fob will work well for long time to come.

Reset the System

Despite the fact that today's high-tech keys fobs are more capable, secure, and convenient than ever, it is possible to run into some issues. The majority of these issues aren’t serious or complex and can be solved with simple procedures, such as changing the battery. If the issue is more severe, or if the issue isn't resolved with simple methods such as a professional auto repair shop can replace and reprogram the key fob.

Making your car lock or unlock with the key fob is the main function of the device, but it can also be used to activate some features of your vehicle. The key fob can be used to lower or raise a sunroof. This feature is very helpful when you're stuck in traffic and need to open your roof. In the same way, the key fob can be used to call your vehicle when it is stuck in a parking location.

A key fob's internal circuitry and buttons could fail due to manufacturing defects or wear and tear. Symptoms include erratic behavior, or the complete inability to lock or unlock the car. Sometimes moisture, or other sources of electromagnetic interference could interfere with the operation of the key fob. If your key fob has been damaged by dust or become wet, it should be cleaned before you can use it again.

If the device continues to behave unpredictably after replacing the key fob or cleaning the contacts, you might need to perform the factory reset. This will help eliminate system bugs and restore the operating efficiency of the device.

If you're not sure how to do the factory reset on your device, check the device manufacturer's website or the manual of your owner. Certain devices require special tools to reset them, however you'll need to find the correct instructions specific to the model you have.

Contacting a mobile locksmith for cars in Apache Junction is another option to solve problems with your keyfob. These professionals are able to replace and program key fobs for nearly all models of automobiles. They can also repair keys that have chips.