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Key Fob Repair: Replacing the Battery Getting jostled around in purses and pockets, key fob buttons can deteriorate and fail to register presses reliably. Replacing the battery, which most car fobs are equipped with in a snap-out bag, may fix the problem. However, a new replacement may not revive your key fob if its internal switch contacts are worn out. It's a good thing that this is an easy fix you can attempt at home: Replace the battery It may be time to change the battery in your key fob if it isn't working properly or takes longer to unlock or lock your vehicle than usual. Replacing a key fob's battery is among those easy tasks you can complete yourself. It's also a cheap solution that will help you avoid a trip to a professional locksmith or dealership. The majority of key fobs need the use of a coin-type battery (CR2032 or similar) which can be found at any general store, home improvement center, or auto parts store. Key fobs typically have a slot that can accept the batteries and opening the case to swap out batteries is fairly straightforward. Depending on the manufacturer, you may require a screwdriver or another tool to open the cover of the battery compartment. If your key fob comes with clips that hold the batteries in place, gently remove them with your fingers or with non-metallic tools. Remove the old battery and install a new one, being careful to note its orientation to ensure that you install it correctly. It is important to avoid touching the battery's flat surfaces, since finger marks can reduce their life. After the new battery has been installed, close the key fob's case and test it by pressing the button to ensure it works. If it's still not working, you may need to reopen the fob and make sure that the new battery is properly installed. You may also find that a simple replacement of the battery is not enough to resolve the issue. This could be due to physical trauma or electrical damage. In that scenario, you'll have to bring your key fob to a dealer or automotive service center for repair. Before you do that, there are four issues the replacement battery can't fix. It is important to be aware of these issues so that you're able to seek out an expert technician in the event of need. You should also read about how to fix a key fob's faulty transmitter to learn more about why it may not be functioning properly. Clean the Contacts It is essential to keep your keys clean to maintain their functionality and longevity. Over time, natural oils from your hands and pockets can accumulate on the keys' crevices and buttons and even cause keys to stop functioning completely. It's easy enough to fix, though – all you need is some cleaning alcohol and a cotton swab. First, open up the key fob by taking the lid off using a screwdriver or coin and gently removing the battery. Note the nature of the battery (negative and positive sides) so that you can put it back in the correct way. Then, wet a swab or small brush with isopropyl (rubbing) alcohol and start cleansing the dirt off all buttons on the fob and the surrounding areas. car key remote repair near me to the battery's contacts, making sure they are free of dirt or grease. After you have finished your task, allow the fob and all its components completely dry. If your fob doesn't function after cleaning it, it may be an idea to reset the system. Check the owner's manual for the instructions on how to do this, and follow them. If the key fob was just dead, this could be enough to bring it back to life. Once the key fob has been cleaned and resynced it is a good idea to keep up with regular maintenance. By regularly wiping it clean with a damp cloth and gentle soap, you can make sure that your key fob will work well for long time to come. Reset the system Even though today's high tech key fobs come with more features, are safer, and more convenient than they ever were, they can still encounter some issues. Fortunately, most times, these issues aren't serious or complicated and are often resolved with simple techniques like replacing the battery. If the problem is more serious or the issue can't be solved using simple methods such as a professional auto repair shop can replace and reprogram the key fob. The device's primary function is to lock or unlock your car, however you can also make use of it to activate certain vehicle features. The key fob can be used to lift or lower the sunroof. This feature is useful if you need to open the roof when you are stuck in traffic or your hands are full. The key fob can also be useful in summoning your car even if it's in a shady spot. A key fob's internal circuitry and buttons could fail due to manufacturing defects or wear and tear. Symptoms may include intermittent behavior or failure to lock or unlock the car. Moisture or other electromagnetic interference sources may sometimes affect the function of a keyfob. If your key fob has become dirty or wet, or is contaminated by dust, it's likely to require cleaning prior to being used again. Replacing the battery on the key fob or cleaning the contacts might fix a malfunctioning device, but if it persists to operate in a erratic manner it may be necessary to perform a factory reset. This can fix system-related issues and improve the performance of your device. If you are unsure of how to reset your device make sure you consult the owner's manual or manufacturer's website. Certain devices require a specific tool to complete the reset but you should be able to find instructions that apply to the model you're using. Another option for resolving issues with your key fob is to contact an Apache Junction mobile car locksmith. They are able to replace and program key fobs on almost all car models. They can also fix keys with chips.