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Key Fob Repair: Replacing the Battery The buttons on key fobs can be damaged and stop working after being jostled in pockets and purses. This issue can be addressed by replacing the small battery that is usually found in the snap-out case that comes with most car fobs. If the contacts on the key fob are damaged, a replacement may not be sufficient to bring it back to life. This is a simple fix you can perform at home. Replace the Battery It's possible to replace the battery in your key fob if it isn't working properly or takes longer to unlock or lock your vehicle than usual. Fortunately, replacing a key fob's battery is one of the easiest tasks you can complete yourself. It is also an inexpensive solution that will save you a trip to a professional locksmith or dealership. Most key fobs require the use of a coin-type battery (CR2032 or similar) which you can purchase at any general store or home improvement store or auto parts store. The key fobs have slots for these batteries, and it is simple to replace the battery. Depending on the manufacturer, you might require a screwdriver or another tool to open the cover of the battery compartment. If central locking key repair G28CarKeys is equipped with clips that hold the batteries in place, remove them using your fingers or other non-metallic tools. Remove the old battery and install an alternative one, and be cautious to note the orientation to ensure that you put it in the correct place. It is crucial to avoid touching the batteries' flat surfaces, since scratches from fingers can decrease their life. Close the case of the fob's key and test the function by pressing the button. If the key fob still doesn't function, you may need to open it again and ensure that the battery is inserted correctly. It's also possible that a simple battery replacement isn't enough to fix the issue, like physical or electrical injury. In that situation, you'll need bring your key fob to the dealership or service center to be repaired. Before you do, there are four problems that a replacement battery cannot solve. You must be aware of these issues, so that you can get help from a trained technician when necessary. You can also read how to fix the defective transmitter of a key fob to determine the reason why it's not working. Clean the Contacts Maintaining your key fob's cleanliness is vital to its functionality and lifespan. Over time, the natural oils on your fingers and pockets can accumulate in the key fob's buttons and crevices. This can lead to keys to stop working. It's not difficult to fix – all you need is some cleaning alcohol and a cotton swab. Then, open the key fob by removing the lid off with an instrument or coin and gently prying out the battery. Make sure to note down the kind of battery it's (negative and positive sides) to ensure that you insert it again correctly after you're done. After that you can use a cotton swab (or a small brush) to clean the buttons as well as the surrounding areas of the fob. Be sure to pay particular attention to the battery's contacts and ensure that they are clean. After you're done, be sure to allow the fob and its components completely dry. If your device isn't working even after cleaning, you might need to reset the system. Check the owner's manual for the instructions on how to do this and follow them accordingly. If the key fob is dead, this may be enough to bring it back to life. Once the key fob has been cleaned and resynched it is a great idea to keep up with regular maintenance. You can ensure that your key fob is functioning for many years by wiping it clean with a damp towel and mild soap. Reset the system Despite the fact that today's high-tech keys fobs are more efficient and secure than ever, it is possible that they run into some issues. Luckily, the majority of the time the issues aren't major or complex, and can be fixed with simple methods like replacing the battery. If the issue is more serious or isn't resolved with simple techniques such as auto repair shops, they will replace and reprogram your key fob. The device's primary function is to lock or unlock your car, however you can also make use of it 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 while you are 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 spot. The internal circuitry of the key fob may fail due to manufacturing defects or wear and tear. Symptoms may include unpredictable behavior or a complete failure to lock or unlock the car. Moisture or other electromagnetic interference sources may occasionally interfere with the function of the keyfob. If your key fob has been contaminated with dust or has become wet, it should be cleaned prior to attempting to use it again. Replacing the battery on the key fob or cleaning the contacts could solve a malfunctioning device, but if the device continues to run erratically it may be necessary to perform a factory reset. This can fix system-related issues and restore device performance. If you are unsure of how to perform a reset make sure you consult the owner's guide or the manufacturer's site. Certain devices require special tools to reset them, but you should find instructions specific to your specific model. Contacting a mobile locksmith for cars in Apache Junction is another option to solve issues with your key fob. These professionals are able to replace and program key fobs for nearly all makes of cars. They can also repair keys with chips.