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Key Fob Replacement and Repair Modern car key fobs are used often and are often misused. Sometimes, a simple repair or replacement is all you need to make them functional again. Most fobs utilize flat watch-style batteries, which can be found in auto parts retailers. Before calling a professional, you can do some of the DIY fixes. Dead Key Fob Battery The battery for the key fob power the remote function of your car and, with push-to-start vehicles, allows it to start your engine. As a result, it is essential to keep an active, healthy battery. A dead key fob is an issue when you're on-the-go. The good news is that a simple, affordable replacement is able to fix the issue quickly. The most frequent sign that a battery on a key fob is dying is the decrease in signal strength and range. It is also possible to be noticing that the buttons on your fob don't work or require additional effort to activate. You will often find an updated key fob battery in the auto parts section of a big box retailer or online. Typically, these batteries are CR2032 and CR2025 and are sold in packs of 2 or more. However it's a good idea to read the owner's manual before shopping for the right battery for your vehicle. Some cars require a specific size or type of battery that is not always available at big-box stores. Make sure to verify before purchasing. Typically the battery is placed in the back of your key fob and is removed by tearing the case open using the flat-blade screwdriver. The battery will look similar to a small coin, and it will be labeled based on its size. Make sure to note the direction the plus and minus symbols are positioned to ensure that the battery you are replacing is properly placed. After the replacement battery is placed in the fob, gently snap both pieces of the fob together. Then test the buttons to ensure they work. It's worth noting that, in the event that your key fob continues to not function even after a battery replacement, it might have been deprogrammed. In this case you will require a locksmith required to assist you. This is more expensive than replacing the battery in the key fob. Whether your fob battery is dying or you're having other issues with your fob's battery An experienced mechanic like one from YourMechanic can inspect and repair it to get you back on the road. Schedule an appointment to see all of the services we provide in your region. Weak Signals If you notice that your key fob isn't responding to the buttons on the remote, it could be an indication of a problem with signaling. Your car and key fob rely on radio signals to communicate, and weak or inconsistent signals could cause poor performance and range. The battery level of your fob is a good idea as it can have a significant impact on the sensitivity of the signal. Resetting the settings of the fob can aid in restoring a more regular response. The procedure varies from vehicle to vehicle, so the owner's manual or a call to the help line of the manufacturer is likely to be the best guide here. Other factors, including interference from other devices operating at the same frequency can also affect weak signals. Other key fobs and wireless communication devices could interfere with the signal RF (radio-frequency) signals that your key fob transmits to the receiver of your vehicle. Furthermore, physical damage to your key fob could affect the transmission of signals RF, which may result in poor range and performance. A blown fuse, a damaged or cracked button or bent fob case can affect the transmission of signals, causing the remote to fail to respond. You can try to resolve the issue by resetting the settings on your fob or by replacing the battery. If your fob has become old and worn, it may be time to replace it. Also, don't forget if you have an extra key fob that comes with your vehicle, this can be used instead of the primary remote in the event that it starts to fail. Try this method first to determine if you can resolve the issue before buying a new remote. In this situation it could be the right an appropriate time to consult an auto-locksmith professional. They will be able to identify the issue and recommend the best course of actions. Physical Damage Key fobs may have issues from time to time. Luckily, the majority of these problems are not serious or complex and can be solved by following a few simple steps. It's also a good idea to keep spare batteries or an additional fob in case one of your keys ever ceases to function. A dead battery is the most common reason why a key fob in a car is not working. These tiny devices depend on tiny lithium-ion coin or button batteries to function. They are easily replaced and are available at most pharmacies and stores. You can open your fob's case using an screwdriver that has a flat-head and gently remove the existing battery. Replace the battery, ensuring that it's not damaged or loose. Most fobs utilize CR2032 batteries. However, yours might require an alternative kind. If your device loses its pairing, it could cease to respond to buttons. This could be due to many factors like changing the batteries. However, an auto Locksmith or a local dealership will usually be able to repair the issue. If none of the strategies above work, try this trick: disconnect the battery from the car and fob for a few minutes and then reconnect them in a reverse order. This can force the system to restart and in some cases it can fix the issue without additional steps. While you're experimenting with the fob, ensure to keep it clear of water and other potential dangers. The fob is quite durable, but it's important to take care with it when you want it to last as long as possible. If all of the above troubleshooting tips aren't working, it could be time to think about replacing your key fob. If it has been dropped and trampled or exposed to extreme environmental conditions, it may not be repairable and will need a replacement. Look around for the most affordable price. Lost Fob Even with the best care, car key fobs can fail at times. It's expensive to replace yours if you lose it and especially in the event that you don't have an extra. “You could end up paying $50 or more to get an equivalent replacement from a dealer and get it programmed, and an additional mechanical backup which will cost at least another $100,” says Mel Yu who is an automotive analyst at Consumer Reports. A weak battery is among the most common reasons for a keyfob to stop working. If you are familiar with how to replace the battery, or if your owner's manual contains instructions, try it yourself. If repair keys near me doesn't resolve the issue, it's time to get help from an expert. A locksmith will be in a position to assist you in finding your lost fob or get it replaced. They will also likely have a good idea of why your fob stopped working in the first instance. If your car is old and does not have smart technology built in, you can still save money by recording the key number plate of your mechanical backup key. It's usually hidden behind a decorative keychain. If key repair service in need of reprogramming the key fob in your car locksmith is able to do it much more quickly. If your key fob is an old smart key, it'll need to be deprogrammed by a locksmith or a car dealer. This could cost more than replacing it. Modern key fobs are protected by rolling-code encryption, which prevents thieves from gaining access to the car. This means that the locksmith must be equipped with a specific programming tool which is only available to car manufacturers, which can increase the cost. In most instances, you'll have to pay for the entire service at once, including the cost of programming a new key fob. Depending on the type of vehicle the cost can range from around $20 at certain stores to $200 or more at a dealership for cars.