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How to Repair Car Key FobsKey fobs can be damaged even if we use them frequently. They can break down in different ways.The most frequent issue is the battery being dead however, other issues could be more grave. Fortunately, the majority of these issues can be solved with a quick DIY fix at home.Dead BatteryA dead battery is the most common cause of a key fob not working. Fob batteries are prone to draining quickly, particularly if they're exposed to extreme temperatures, humidity, or water. It is a good idea to keep an additional fob battery in your wallet just in case.You can usually tell when your car key fob's battery is depleted because the LED light will cease to glow. The key fob could also stop working from the same distance it used to. In this case the key fob could need to be reprogrammed or replaced completely.Fortunately the replacement of the battery in a car key fob is a simple task. First, car key repair service need to determine the kind of battery is being used. The type should be engraved on the side of the fob. Google can assist you in case you're unsure. Once you've identified the kind of battery you want you want to use, open the key fob near the seam. Utilize a flathead screwdriver or even your fingernail to separate the two halves. Then, remove the battery that was removed and replace it with the new one in its place. Make sure to insert the new battery with the positive (+) side facing up toward the buttons on the fob.Some drivers might not be aware that the fob is dead until they attempt to lock or unlock their vehicle and the buttons aren't responding. In some cases this problem can be resolved by reprogramming the fob but that can be costly and time-consuming. You can also contact roadside assistance to see whether they can restart your vehicle and get it back on the road.If you've tried all of these options and your car is still unable to start and you're not sure why, it's time for a professional. A certified technician can determine if your car's computer needs changing its programming, or if the fob simply needs replacement batteries. They may also recommend an auto repair shop that can replace the key fob. In the end, sometimes a brand new fob is the best solution.Damaged Circuit BoardA key fob is not indestructible, but it can endure a lot of physical damage. The circuit board, battery and buttons are all subject to wear and wear and tear. It is essential to take care of these components to keep your key fob in good working order.Verify that the battery still functioning in your key fob. If it is, replace the battery and check if it fixes your issue. If this does not work, you may need to open the fob and clean its contact surfaces. It can be difficult to open certain key fobs due to the fact that they do not have an easy-release mechanism. You may harm your fob by trying to break it. You can buy a special tool to open your key fob, but you should always adhere to the manufacturer's guidelines to avoid damaging it.Another issue that is common is a damaged or damaged circuit board in the key fob. This can be caused by a number of things like dirt or moisture getting into the battery compartment software problems or even an unintentional firmware update. If your key fob is not functioning, you might think about getting it replaced. This can be done by a locksmith who specializes in this kind of work.Radio interference is also a possibility. It could happen if are other wireless devices that transmit at the same frequency as your key fob, for instance a radar detectors and home security systems. If this is the case you need to contact the manufacturer of the other device to make sure that your key fob won't be affected by their signals.You may also need to replace a switch or another electrical component in your key fob. This is a more difficult fix, but you can find guides online that explain how to do it yourself. Be cautious when you do this, as the circuit boards inside your key fob are tiny and can break easily if they are handled roughly. If you decide to do this yourself, be certain to use a top quality SMT switch and then solder it to the correct place.Buttons that are worn outCar key fobs are prone to a lot of wear and wear and tear. They are prone to being dropped, and they often are frequently jostled around in your purse or pocket. The constant jostling can cause buttons to wear out or become stuck. When this happens it's possible that a simple adjustment will be all it takes to make it work again.Modern key fobs are fitted with sensors that can detect when they have been press. This is because they lower the chances of someone stealing your vehicle. If the buttons on your key fob don't work when pressed, they are worn out and should be replaced.The circuit board that is in the key fob also sends signals to your car. These signals include commands to unlock and lock your car, and commands to start the engine. If the internal circuit board is damaged, your key fob will not unlock or start your engine. This kind of damage is usually caused by blunt force or water.You'll notice that the buttons on your key fob are wearing out if you find yourself pressing the buttons more than normal in order to get them working. The fob may also stop sending a signal to your car or have a lower range.If you're unable get your key fob to unlock or start your car, you need to call a locksmith in your area immediately. They can tell if the key fob is damaged or if the cylinder in your ignition is worn out.Luckily, most car key fob problems aren't too serious or complex. The best way to avoid getting caught off guard by an issue with your key fob is to have an extra key in your possession at all times. This will ensure that you're not stuck in a bind due to a lost or malfunctioning key. If you do lose your spare car key, a locksmith can help reset it to work with your car's ignition. They'll also be able to repair any internal damage that's occurred to your key fob.Broken CaseThe case of the key fob does more than just protect the buttons and batteries. The case also houses the circuitry that does all the electrical magic whenever you press the key fob button. This board takes the signal from your key fob, and then transmits it to your car.Your key fob won't work if the board is damaged. Sometimes, a dead key fob can be reset which is something that your local auto locksmith or dealership can help you with.Another reason your key fob might not be working is that the batteries are not working. This is a quick fix that can be accomplished at home by replacing the battery. The positive side is that you can find a replacement battery on the internet or at a local auto parts store, since these batteries are not exclusive to key fobs.There are a variety of ways to open a key fob and get inside it, depending on the kind. You can find out what type of battery your key fob has by conducting a quick internet search. You can then purchase a new one, take the old one out and put the new one into.The biggest concern when repairing an old car key fob is that you don't want to cause damage to the circuit board or buttons any further. Trying to pry apart the fob using an edge that is sharp like screwdrivers can damage the case or even scratch the plastic. Fortunately, a replacement case is cheap and you can get an entire fob with the electronic components from eBay or Amazon for less than $40.If your key fob isn't functioning look into whether the batteries are depleted or whether the circuit board has been damaged. If this isn't the case, you can have it repaired quickly and cheaply by a professional. If not, it might be time to replace the fob. Be sure to check the warranty of any fob replacement or used that you purchase on the internet.