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Key Fob Repair: Replacing the Battery The buttons on key fobs may be damaged and stop functioning properly after being jostled in purses and pockets. This problem can be fixed by replacing the battery that is usually found in the snap-out case of the majority of car fobs. But, a new one is not likely to restore your key fob if the internal switch contacts are worn out. It's a good thing that this is an easy fix that you can do at home: Replace the Battery If your key fob is feeling slow or takes longer than normal to unlock or lock your car, it may be time to replace the battery. Replacing the battery of your key fob is one of those simple tasks that you can perform yourself. This is a simple fix that will save you money on a trip to the dealership or a locksmith. You can buy coins-style (CR2032) battery at any auto parts or home improvement general store. The key fobs usually have a slot to accept these batteries, and opening the case to swap out batteries is relatively simple. Depending on the manufacturer, you may require a screwdriver or another tool to remove the cover from the battery compartment. If your key fob comes with clips that hold the batteries in place, remove them using your fingers or non-metallic tools. Remove the old battery and replace it with a new one, being mindful of its orientation so that you can install it correctly. Avoid touching the flat surfaces of batteries since 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 doesn't work, you may need to open the fob again and check whether the new battery has been inserted correctly. It is also possible that a simple replacement of the battery isn't enough to fix the problem, such as physical or electrical trauma. In this case, you'll need to bring your key fob to a dealer or automotive service center for repair. Before you do, there are four problems that the replacement battery can't solve. You must be aware of these issues, to be able to seek help from a qualified technician when necessary. You should also read about how to fix a key fob's faulty transmitter to learn more about the reasons it may not be working correctly. Clean the Contacts It is crucial to keep your key fobs clean to maintain their functionality and longevity. Over time the natural oils on your fingers and pockets can build up in key fob's buttons and crevices. This can cause keys to stop working. It's simple enough to fix, though all you need is rubbing alcohol and a cotton swab. The key fob must be opened first by gently prying the battery out with a coin or screwdriver. Make sure you note the kind of battery it's (negative and positive sides) to ensure that you insert it again correctly after you're done. Then you can apply a cotton swab (or a small brush) to clean the buttons and the surrounding areas of the fob. Pay particular attention to the battery contacts, making sure they are free of dirt or grease. After you have finished, let the fob and all its components completely dry. If your device isn't working even after cleaning, you may want to reset the system. Consult your owner's manual for instructions on how to do this and follow them accordingly. This may be able to bring the key fob back to normal if the issue was due to a dead battery. After the key fob has been cleaned and resynced, it is a great idea to ensure regular maintenance. By 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 high-tech keys fobs are more efficient, secure, and convenient than ever before, it's possible for them to run into certain issues. Most of the time, these issues aren’t serious or complex and can be fixed by simple methods, such as changing the battery. If the issue is severe or is not resolved with simple methods such as auto repair shops, they will replace and reprogram your key fob. The primary function of the device is to lock or unlock your car, however you can also use it to activate certain vehicle features. The key fob can be used to lift or lower a sunroof. This feature is useful when you have to open the roof when stuck in traffic or when your hands are full. Key fobs are also useful in summoning your car when it's parked in a difficult location. keys repair of a key fob and buttons could fail due to manufacturing defects or wear and tear. Signs of this include irregular behavior, or the complete inability to lock or unlock the car. Moisture or other electromagnetic interference sources may sometimes interfere with the proper function of a keyfob. If your key fob is dirty or wet, or is contaminated by dust, it's likely to need to be cleaned before being used again. Replacing the battery of your key fob or cleaning the contacts could fix a malfunctioning device, but if it persists to operate in a erratic manner, you may need to do a factory reset. This will fix system issues and improve device performance. If you're not sure how to perform a reset, consult your device's owner's manual or manufacturer's site. Certain devices require special tools to reset them, however you'll find instructions specific to your model. Contacting a mobile locksmith for cars in Apache Junction is another option to resolve issues with your keyfob. They are able to replace and program key fobs on almost all makes of cars. They can also fix keys that have chips.