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Key Fob Repair: Replacing the Battery The buttons on key fobs can become damaged and stop functioning properly after being tossed around in pockets and purses. Replacing the small battery, which a majority of car fobs have in a snap-out case, may fix the issue. If the contacts inside the key fob are damaged, a new replacement may not be enough to bring it back to life. This is a simple fix that you can do at home. Replace the Battery If your key fob is feeling sluggish or takes a longer time to unlock or lock your car, it may be time to replace the battery. The replacement of a key fob's battery is among those easy tasks you can complete yourself. It's also a cost-effective fix that could save you a trip to an expert locksmith or dealer. You can buy coins-style (CR2032) battery at any auto parts or home improvement general retailer. Key fobs come with a slot for these batteries and it is simple to replace the battery. Depending on the manufacturer you might need make use of a screwdriver to open the compartment. If your key fob has clips that hold the batteries in place, remove them with your fingers or other non-metallic tools. Install the new battery, taking care to install it correctly. Note its orientation when removing the old one. Avoid touching the flat surfaces of the batteries as they can cause damage to their lives. Once the new battery is installed then close the key fob's case and test it by pressing the button to ensure it works. If the key fob isn't working, you might have to reopen it and verify that the battery is inserted correctly. You may also find that simply replacing the battery isn't enough to solve the issue. key fob repairs could be caused by physical or electrical trauma. In this instance, you will need to take your key fob to a dealership or auto service center for repairs. Before you do this, there are four issues that a replacement battery cannot solve. It is important to be aware of these problems so that you're able to seek out an expert technician in the event of need. You can also find out how to fix the faulty transmitter of a key fob to find out why it is not working. Clean the Contacts Maintaining your key fob's cleanliness is essential to its function and life. Over time, natural oils from your hands and pockets can accumulate on the key fob's buttons and crevices and even cause keys to cease working completely. It's easy enough to fix – all you need is some cleaning alcohol and a cotton swab. First, open up the key fob by taking the lid off with a screwdriver or coin and gently prying out the battery. Be sure to note the type of battery it is (negative and positive sides) so that you can insert it again correctly after you're done. Then, moisten a cotton swab or small brush with isopropyl (rubbing) alcohol and begin taking off the dirt from all buttons on the fob and the surrounding areas. Pay special attention to the battery's contacts, making sure that they are clean of grease or dirt. Once you are done, be sure to let the fob as well as its components dry completely. If your fob still won't function after cleaning it, it may be an idea to reset the system. Check the owner's manual to find out how to reset the system. This could be able to bring the key fob back to normal if the issue was due to the battery being dead. It is important to maintain the key fob regularly after it is cleaned and resynchronized. By regularly wiping it down with a damp cloth and mild soap, you can be sure that your key fob will function well for many long time 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 that they encounter some problems. Fortunately, most times the issues aren't major or complex, and can be fixed with simple methods like replacing the battery. If the problem is more severe or the issue can't be solved using simple methods such as a professional auto repair shop can repair and replace the key fob. Getting your car to lock or unlock with the key fob is the principal function of the device, however, it can also be used to enable certain vehicle features. The key fob can be used to lower or lift a sunroof. This feature is very useful when you're stuck in traffic and need to open your roof. The key fob is also helpful in bringing your car to life when it's parked in an awkward location. The internal circuitry inside the key fob may fail due to defects in manufacturing or wear and tear. It could be a sign of erratic behavior or total 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 going to require cleaning prior to being used again. Replacing the battery on the key fob or cleaning the contacts might help fix a malfunctioning device however, if it continues to run erratically you might need to perform a factory reset. This will help eliminate bugs in the system and restore the operation of the device. If you're not sure how to reset your device then consult the device's owner's guide or the manufacturer's site. Certain models require a specific tool to complete the reset however, you should be able to locate instructions that are applicable to the specific model you have. Another option to resolve 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 models of automobiles. They can also fix keys with chips.