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How to Repair Car Key Fobs Even though we use them numerous times, key fobs are not indestructible. In fact, they are able to be destroyed in a variety of ways. Other issues could be more important than an unresponsive battery. Luckily, most of them can be resolved by a simple DIY fix at home. Dead Battery A dead battery is the most common cause of a key fob that is not working. Fob batteries tend to drain quickly, particularly if they are exposed to extreme heat or cold temperatures, humidity or water. Keep an extra battery in your wallet in case you need it. mobile car key repair will generally stop glowing when the battery in the car key fob is low. It's also possible that your key fob will no longer work from the same distance as it did in the past. In this case the key fob might need to be programmed again or replaced entirely. It is easy to replace the car keyfob battery. Find out the kind of battery used. The type of battery should be engraved on the side of the fob. Google can assist you if you're not sure. Unlock the key fob along the seam once you have identified the battery type. Make use of a flathead screwdriver or even your fingernail to pry apart the two halves. Remove the old battery, and replace it with a brand new one. Then, insert the new battery so that the positive (+) face is facing the buttons on the fob. Some drivers don't even realize that their fob has died until they lock or unlock their car and the buttons no longer work. In some instances, this can be solved by reprogramming your fob, however, it can be costly and time-consuming. You can also call roadside assistance to find out whether they are able to jumpstart your vehicle and get it back on the road. If you've tried all the options and your vehicle still won't start, it's the right time to speak with an expert. A qualified technician can determine if your car's computer needs reconfiguring, or if your key fob only requires replacement batteries. They can also recommend a reliable auto shop to replace your fob's key. Sometimes an entirely new fob might be the best option. Circuit Board Damage The key fob isn't impervious to destruction, but it can withstand a lot of physical harm. The battery, circuit board and buttons are all susceptible to wear and tear. It is essential to take care of these components to ensure your key fob remains in good working order. The most straightforward thing to do is that the battery in your key fob isn't dead. Replace the battery to determine if it resolves the issue. If not, you might require opening the key fob and clean the contact surfaces. It is sometimes difficult to open certain key fobs since they do not have an easy-release mechanism. You may cause damage to your fob by trying break it. You can purchase a specific tool to open your key fob. However, you must always follow the instructions of the manufacturer to avoid damaging the. Another common problem is a damaged or corrupted circuit board on the key fob. It can be caused by various factors, including dirt or moisture getting into the battery compartment. Software issues or even an accident firmware update could be the cause for this. If your key fob isn't functioning completely, you should think about having it reprogrammed by a locksmith that specializes in this type of work. Radio interference is another possibility. This could happen if there are other wireless devices operating on the same frequency as your key fob, such a radar detectors and home security systems. If this is the case, you should check with the other device manufacturers to ensure that your key fob's signal isn't affected by their signals. It's also possible that your key fob has a bad switch or other electrical component that should be replaced. This is a difficult fix however, there are guides online that show you how to do it yourself. You should be careful, however, as the circuit board in the key fob is tiny and can easily break when handled rough. If you're doing this yourself, be sure to use an SMT switch that is of high-quality and solder the switch in place correctly. In a state of wear Out Buttons Car key fobs are subject to a lot of wear and tear. They are more prone to being lost and spend a significant amount of time in your purse or pocket. Sometimes, this can cause buttons to wear out or snagged. A simple adjustment can solve the problem. The majority of modern key fobs have sensors that detect if they've been pressed. They're designed to do this to reduce the likelihood of thieves stealing your car. If the buttons on your key fob aren't responding when pressed, they are worn out and should be replaced. The circuit board that is in the key fob 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 circuit board inside your vehicle is damaged then the key fob you have may not be able to unlock your vehicle or start the engine. This type of damage is usually caused by water or blunt force. If you have to press the buttons more than normal to activate them, then your key fob buttons are becoming worn out. In addition, your fob may stop transmitting a signal to the car, or have less range than before. If you're unable to get your key fob to unlock or start your car, you need to find a locksmith near you immediately. They'll be able determine whether the key fob is damaged or the ignition cylinder has worn down. Luckily, most key fob issues in cars aren't too serious or complex. The best way to ensure you don't get caught off guard by an issue with your key fob is to keep an extra in your pocket at all times. You won't be left stranded because of a malfunctioning or lost key. Of course, if you do happen to lose your spare car key A locksmith can rekey it to ensure it is compatible with your car's ignition. They'll also be able to repair any internal damage that may have occurred to your key fob. Broken Case The case of a key fob does more than just protect the buttons and batteries. It also houses the circuit board that is responsible for all the electrical magic when you press a button on your key fob. The circuit board relays the signal from your key fob to your car. The key fob won't function if the board is damaged. Sometimes, a dead key fob may need to be reset which is something that your local auto locksmith or dealership can help you with. Batteries may be the cause the key fob's not working. The battery can be replaced at home. The good thing is that you can locate a replacement battery online or at your local auto parts store since these batteries aren't exclusive to key fobs. There are a variety of ways to open up a key fob to get inside it, based on the type. A quick search on the internet will show you which type of key fob yours is and the type of battery it uses. You can then buy a new one, take the old one out, and then insert the new one in. When repairing a broken key fob, the primary concern is not to destroy the circuit or buttons further. If you attempt to remove the fob using an edge that is sharp like a screwdriver could damage the case or even crack the plastic. Luckily, a replacement case isn't expensive and you can get the entire fob and the electronic components from eBay or Amazon for less than $40. If your key fob won't function, make sure you have damaged the circuit board or the batteries. If that's not the case, a professional will fix it quickly and cheaply. If not, it may be time to replace the fob. Make sure to verify the warranty of any replacement or used fobs purchased online.