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How to Repair Car Key Fobs Key fobs are susceptible to damage even if we utilize them often. They can be destroyed in different ways. Other issues can be more serious than an unresponsive battery. Luckily, most of these can be fixed by a simple DIY fix at home. Dead Battery A dead battery is the most common reason for the key fob not functioning. Fob batteries can be drained quickly, especially if they're exposed to extreme temperatures, humidity or water. It's a good idea to keep an extra battery in your wallet just in case. The LED light will usually stop glowing when the battery in your car key fob is low. It is also possible that the fob will no longer work at the same distance it used to. In this scenario, it may be necessary to re-program the key fob or even replace it entirely. Fortunately, replacing the battery in a car key fob is easy. Find out the kind of battery used. The type should be engraved on the side of the fob. Google can assist you when you're not sure. Once you've identified the type of battery you want to use, open the key fob at the seam. Utilize a flathead screwdriver or your fingernail to pry apart the two halves. Then, you can remove the old battery and insert an alternative one in its place. Then, insert the new battery so that the positive (+) face is facing the buttons on the fob. Some drivers aren't aware that their fob is dead until they lock or unlock their car, and the buttons don't work anymore. This can be fixed by reprogramming your fob. However it can be time-consuming and expensive. You can also call roadside assistance to determine whether they can restart your vehicle and get it back on the road. If you've tried both of these solutions and your car is still unable to start then it's time to call a professional. A trained technician can determine whether your car's computer system needs reprogramming or if the fob needs a replacement battery. They can also recommend a reputable auto shop to replace your fob's key. In the end, though it is not always the case that a new fob is the best solution. Circuit Board Damage A key fob can take a lot of physical abuse and isn't indestructible. The battery, circuit board and buttons will all experience their fair amount of wear and tear over the course of time, so it's important to be aware and take care of them in order to keep your car key fob operating efficiently. The easiest way to test is to ensure that the battery inside your key fob isn't depleted. Replace the battery to determine if it resolves the issue. If this does not work, you might need to open the fob and clean the contact surfaces. This can be a challenge since some key fobs do not have easy-release mechanisms to open them up and you may damage your fob if you try to pull it apart. You can buy a tool to open your key fob. However, you must adhere to the guidelines of the manufacturer to avoid damaging it. Another problem that is frequently encountered is a damaged or faulty circuit board on the key fob. It can be caused by a number of things, such as dirt or moisture getting into the battery compartment, software issues, or even an accidental firmware update. If your key fob isn't working completely, you should think about having it reprogrammed with a locksmith that specializes in this kind of work. Radio interference is another possibility. It could happen in the event that you have other wireless devices that transmit at the same frequency, like radar detectors or home security systems. If this is the situation you must get in touch with the manufacturer of the other device to ensure that your key fob won't be affected by their signals. It's also possible that your key fob has a bad switch or other electrical component that must be replaced. You can find online guides that will help you fix this yourself. Be careful when doing this, however, because the circuit board in your key fob is small and can easily break if handled roughly. If you do this yourself, make certain to use a top quality SMT switch and then solder it in place correctly. Buttons that are worn out Car key fobs can suffer lots of wear and tear. They're prone to being dropped and often spend a lot of time jostled around in your purse or pocket. Sometimes, this jolting can cause buttons to wear out or stuck. When www.g28carkeys.co.uk happens an easy adjustment could be all that's needed to restore the button's functionality. The majority of modern key fobs have sensors that detect if they've been pressed. They're made to do this so that they can lower the risk of thieves stealing your car. If your key fob's buttons don't respond 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 which transmits signals to your car. These signals include commands to unlock and lock your car, as well as commands to start your engine. If the internal circuit board is damaged, your key fob will not be able to unlock or start your engine. This kind of damage is typically caused by water or blunt force. You'll notice that the buttons on your key fob are wearing out if you find yourself pressing them harder than normal in order to get them working. Your fob might also stop sending signals to your vehicle or have a shorter range. If you're not able to get your key fob to unlock or start your car, it's important to call a locksmith in your area immediately. They'll be able to determine whether the key fob itself is damaged or if your ignition cylinder is worn out. Fortunately, most car keyfob problems aren't too difficult or serious. The best way to avoid getting surprised by a malfunctioning key fob is to have a spare in your possession at all times. This will ensure that you're not left stranded somewhere due to the loss or malfunction of your key. If you do happen to lose your car key spare, a locksmith can help change the key so that it works with the ignition in your car. They'll also be able to fix any internal damage that may have occurred on your key fob. Broken Case The case of a key fob does more than protect the batteries and buttons. The case also houses the circuitry that does all the electrical magic whenever you press the key fob button. The circuit board relays the signal from your keyfob to your car. Your key fob won't work if this board is damaged. Sometimes, a dead key fob may need to be reprogrammed which is something your local auto locksmith or the dealership can assist you with. Another reason why your key fob may not be working is that the batteries are not working. This is a simple fix that can be accomplished at home by replacing the battery. The good thing is that you can find an alternative battery on the internet or at your local auto parts shop since the batteries aren't limited to key fobs. There are several ways to open up a key fob and get inside it, based on the kind. A quick internet search should reveal what kind of key fob yours is and what kind of battery it requires. You can then purchase an alternative and take the old one out, and then put the new one into. The main concern when you repair an old car key fob is that you don't want to harm the circuit board or buttons any further. If you attempt to pull apart the key fob using a screwdriver or other hard edge, it can crack the plastic or break the case. A replacement case isn't expensive and you can find the entire fob including the electronic components on eBay or Amazon for under $40. If your key fob doesn't work, you should check if you've damaged the circuit board or the batteries. If this is not the situation, you can get it repaired quickly and inexpensively by an expert. If not, it may be time to replace the fob. Make sure to verify the warranty on any fob replacement or used that you purchase on the internet.