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How to Repair Car Key Fobs Even though we use them a lot keys aren't impervious to destruction. In fact, they can break down in a variety of ways. The most frequent issue is an unresponsive battery, other issues can be much more serious. Most of these issues can be solved by a quick fix at home. Dead Battery A dead battery is the main reason for a key fob not working. Fob batteries are prone to draining quickly, particularly if they're exposed to extreme temperatures, humidity, or water. Keep an extra battery in your wallet in case you need it. You can usually tell that the battery of your car key fob is dying by the fact that the LED light will stop glowing. It is also possible that the fob won't work from the same distance it did in the past. In this instance it could be necessary to re-program your key fob or even replace it entirely. It is easy to replace the battery in a car keyfob. Find out the type of battery that is used. The type of battery should be stamped on the side of your key fob. If you are not sure, an easy Google search will be helpful. Open the key fob along the seam after you've identified the type of battery. You will need to use small flathead screwdrivers or even your fingernail to split the two halves. Then, remove the battery that was removed and replace it with a new one in its place. Make sure you insert the new battery with the positive (+) side facing towards the buttons in the fob. Some drivers may not realize the fob is dead until they try to lock or unlock their vehicle and the buttons aren't responding. In some instances this issue can be resolved by reprogramming the fob however, this can be expensive and time-consuming. Another option is to call roadside assistance and see if they can jump your car and get you back on the road. If you've tried every solution and your vehicle still won't turn on, it's time to call an expert. A trained technician can tell if your car's computer needs changing its programming, or if the fob is only in need of replacement batteries. They may also recommend an auto shop that will replace the key fob. In the end, sometimes a brand new fob is the most effective solution. Damaged Circuit Board A key fob is able to withstand some physical abuse and is not indestructible. The circuit board, battery and buttons are all susceptible to wear and wear and tear. It is important to take care of these components to ensure that your key fob is in good working order. The easiest thing to check is to ensure that the battery inside your key fob isn't depleted. If it is then replace the battery and see if that fixes your issue. If this does not work, you may have to open the fob and clean its contact surfaces. This can be difficult because some key fobs don't have a release mechanism that is easy to open them and you could end up damaging your key fob if try to pull it apart. 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 problem that is frequently encountered is a damaged or faulty circuit board on the key fob. This can be caused by various factors, including dirt or moisture entering the battery compartment. Issues with software or an accident firmware update could be the cause for this. If your key fob is not working, you may be interested in having it reprogrammed. This can be done by a locksmith that specializes in this work. Radio interference is also a possibility. This can happen if there are other wireless devices operating on the same frequency as your key fob, such radar detectors or home security systems. If this is the case, you should consult with other manufacturers of your device to make sure that your key fob isn't being affected by their signals. It's also possible that your key fob may have a bad switch or other electrical component that must be replaced. There are online guides that will show you how to fix this yourself. It's important to be careful when doing this it is important to be careful, since the circuit boards inside your key fob are small and easily break when handled rough. If you do this yourself, make certain to use a top quality SMT switch and then solder it into place properly. Buttons that are worn out Car key fobs can get quite a bit of wear and tear. They are prone to being dropped and often spend a lot of time jostled around in your purse or pocket. Sometimes, this jostling can cause the buttons to become worn out or become stuck. If this happens, a simple adjustment may be all that's needed to make it work again. The majority of modern key fobs have sensors on them that can tell if they've been pressed. This is because they lower the chances of someone stealing your vehicle. If the buttons on your key fob aren't responding when pushed, that's an indication that they're worn-out and need to be replaced. Key fobs also have a circuit board inside them that sends signals to the car. The signals include commands to unlock and lock, as well as instructions to start your engine. If the internal circuit board is damaged, your key fob may not allow you to unlock or start your engine. Most of the time, this kind of damage is caused by water, blunt force, or something scratching the circuit board. You'll notice that the buttons on your key fob are deteriorating If you're finding yourself pressing them harder than usual to get them to function. Additionally the fob might stop sending a signal to the car or it'll have less range than it did prior to. If you're not able to unlock your key fob, unlock or start your car, it's important to call a locksmith in your area immediately. nearby key repair shop 'll be able to tell whether the key fob is damaged or the ignition cylinder has worn out. Fortunately, the majority of car keyfob problems aren't complicated or serious. Keep an extra key fob in your car always in case you end up being thrown off by a malfunctioning key. This will ensure that you're not trapped in a place because of a lost or malfunctioning key. If you lose your spare key a professional locksmith can reset it to work with your car's engine. They'll also be able repair any internal damage that's occurred on the key fob. Broken Case The case of the key fob is more than just protect the batteries and buttons. It also houses the circuit board responsible for all the electrical magic when you hit a button on your key fob. The circuit board relays the signal from your keyfob to your car. Your key fob won't work if the board is damaged. A dead key fob might only need to be reprogrammed by a local auto locksmith or dealership. car key remote repair near me may be the cause of your key fob not working. This is a simple fix that can be accomplished at home by replacing the battery. You can find a replacement battery at your local auto parts shop or on the internet. These batteries aren't only intended for key fobs. Depending on the kind of key fob, there are different ways to open it and gain access to the inside. A quick search on the internet will identify the type of key fob you have and the type of battery it uses. You can then purchase an alternative and take the old one out, and then put the new one in. The main concern when you repair a broken car key fob is that you don't want to damage the circuit board or buttons further. If you attempt to remove the fob using a sharp edge, such as a screwdriver can break the case or crack the plastic. Fortunately, a replacement case isn't expensive and you can purchase an entire fob with the electronic components from eBay or Amazon for less than $40. If your key fob doesn't work, you should check if you have damaged the circuit board or batteries. If that's not the case, a professional can repair it quickly and inexpensively. In the event that it isn't, it's the time to purchase a replacement. Just be sure to check for a warranty on any replacement or used fobs you purchase online.