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Key Fob Replacement and Repair Modern car key fobs are used a great deal and are often misused. Sometimes, a simple repair or replacement is all it takes to make them work again. The majority of fobs are made with flat watch-style batteries that are easy to find in hardware stores and auto parts stores. But before you call an expert, try a few DIY fixes! Dead Key Fob Battery The key fob battery powers the remote function in your car and, with push-to-start vehicles, allows it to start your engine. It is therefore important to maintain a functional healthy and a good battery. A dead key fob is an issue for anyone traveling. The good news is that a cheap, simple replacement is able to fix the issue quickly. The loss of range and signal strength are among the most commonly observed indicators that a battery in a keyfob is dying. You may also notice that the buttons on your fob don't work or require additional effort to turn on. It is common to find an updated key fob battery in the auto parts section of a big box retailer or online. Typically, they are CR2032 or CR2025 batteries that are available in packs of two or more. Check out the owner's manual before you decide on the best battery. Some cars require a particular size or type of battery that's not always available at big-box stores Be sure to be aware of the correct specifications before you purchase. The battery is usually located on the back of the key fob. It can be removed with an abrasive screwdriver with a flat blade by prying the case open. It will usually resemble a small coin and be labelled with the battery's size. Be sure to note the orientation of the plus and minus signs to ensure that you insert the battery correctly. After the replacement battery is installed, gently snap the two pieces of the fob together. Then test each button to make sure they function. If your key fob doesn't work after replacing the battery, it may have been deprogrammed. In this instance you'll need to call locksmiths for assistance, which will cost a little more than simply replacing the battery of your key fob. The skilled mechanics at YourMechanic are able to repair your key fob in the event that it is damaged or if the battery is dead. Be sure to check out the range of services we offer in your area and schedule an appointment today! Weak Signals If you notice that your key fob isn't responding to buttons on the remote, this can be an indication of a problem with the signaling. Radio signals are used to communicate between your car and key fob. Poor or inconsistent radio signals can result in poor performance and a limited range. One of the first things you should examine is whether your fob's battery is insufficient, as this can significantly affect the sensitivity of the signal. It's also advisable to reset the settings on your fob that can help restore the same response from the car. The process varies from vehicle to vehicle, so your owner's manual or call to the helpline of the manufacturer will likely be your best resource here. Other factors can contribute to weak fob signals, for example, interference from other devices that operate on the same frequency as your key fob. Other key fobs as well as wireless communication devices could interfere with the signal RF (radio-frequency) signals your key fob transmits to connect to the receiver of your vehicle. The physical damage to your keyfob can also interfere with the transmission of radio signal, leading to poor performance and range. A blown fuses, a broken or cracked button or a bent case of the fob could affect signal transmission and cause the remote to respond. There are a few simple steps you can follow to try and resolve the issue of weak fob signals, such as resetting the fob's settings or changing the battery. However, if your fob is old and worn out, it's probably time to replace it completely. Also, don't forget if you have an extra key fob that is part of your vehicle, this can be used in place of the primary remote in case it starts to fail. You should try this solution first to see if it can resolve the issue before buying an entirely new remote. If not, this might be the best time to consult an expert auto locksmith. They will be able to identify the issue and suggest the most effective solution. Physical Damage It's not unusual for key fobs to have issues from time-to-time. The majority of these issues are not complex or difficult to fix and can be solved with just a few steps. It's also a good idea to keep spare batteries or a different fob in the event that your key fails to function. The most frequent cause for a car key fob not working is an inactive battery. These small devices depend on tiny lithium-ion button or coin batteries to function. They can be replaced and can be found at most pharmacies and grocery stores. You can open your fob's casing using an screwdriver that has a flat-head and gently remove the battery. Make sure it's not damaged or loose and then insert an alternative battery. Most fobs utilize CR2032 batteries, but yours may require an alternative kind. If your device loses pairing, it could stop responding to buttons. This could be due to many factors like changing the batteries. However an auto Locksmith or local dealership can usually fix it. If none of the strategies above work, try this trick: unplug the battery from the car and fob for a few minutes, then reconnect the two in reverse order. This can force the system to restart, and in some cases, this will fix the issue without additional steps. While you're experimenting with the fob, ensure to keep it clear of water and other possible damage sources. The fob is a durable device, but you should treat it with care to ensure that it lasts for as long as it is possible to. If none of the troubleshooting techniques above work you, you may have to replace your key fob. If it's been thrown around or tripped on, or subjected to other extreme environmental conditions, it may be beyond repair and in need of a replacement. Shop around to find the most competitive price. Lost Fob Even with the best care, it's a fact of life that car key fobs will occasionally stop working. If you lose yours it could be very expensive to replace it, particularly when you don't have a spare. “You could end up paying $50 or more for an alternative from a dealer and get it programmed, as well as a new mechanical backup, which will cost at least another $100,” says Mel Yu an automotive analyst with Consumer Reports. One of the most common reasons for a key fob's device to not function is a simple issue, such as an insufficient battery. You can try changing the battery yourself If you are familiar with the procedure or get instructions from the owner's manual. If this doesn't resolve the problem, it's time to call in an expert. A locksmith is able to help you find your lost fob or get it replaced. They will also likely have a good idea of why your fob was not functioning in the first place. If your car is old and doesn't include smart technology, you can still save money by recording the key number plate of your mechanical backup key. It's typically hidden behind a decorative keychain. This will make it easier for a locksmith to reprogram a brand new key fob for your car if you ever need to do so. If your key fob is an old smart key, it'll have to be deprogrammed by a locksmith or dealer. This could cost more than replacing it. The reason is that modern key fobs utilize rolling-code encryption to prevent thieves from accessing the car. try this web-site means that locksmiths must use a special programing tool that is only available to car manufacturers, which can increase the cost. In most cases, the entire service will be billed at once. This includes any costs to reprogramme a new keyfob. This can range from $20 at some shops to over $200 at car dealerships, depending on the model of vehicle.