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Key Fob Replacement and Repair Key fobs on modern cars are very efficient and are subject to a lot of abuse. In many cases an easy replacement or repair is all that's required to restore them to working good working order. The majority of fobs are made with flat watch-style batteries, which can be found in auto parts retailers. Before calling in a professional, do some 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. This is why it is critical to maintain an active, healthy battery. When you're on the move and your key fob is not working, it can be a huge problem. The good news is that a simple, inexpensive replacement can fix it quickly. The loss of range and signal strength are among the most frequent signs that a keyfob battery is failing. It is also possible to notice that the buttons on your key fob are not working or require more effort. A new key fob is available in the auto parts section of a major retailer or on the internet. The majority of these batteries are CR2032 and CR2025 and are sold in packs of 2 or more. Make sure to consult your owner's manual prior to you purchase the correct battery. Certain cars require a certain size or type of battery, which is not always available at big-box stores. Make sure to verify before purchasing. Typically, the battery is located on the back of your key fob. It is removed by tearing open the case with the flat-blade screwdriver. The battery will look like a small coin and be labeled according to its size. Be sure to note which direction the plus and minus symbols are positioned to ensure that the battery you are replacing is properly placed. After the battery has been replaced then gently snap the two pieces of the fob back together and test the buttons. 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 instance you'll have to contact locksmiths for assistance, which will cost some more than replacing the battery of your key fob. Our skilled mechanics at YourMechanic can repair your key fob if it is damaged or if the battery has died. Make sure you check out the range of services we offer in your area and make an appointment now! Weak Signals If your key fob doesn't respond to the buttons on the remote, it could be an indication that the signaling system is not functioning correctly. Your car and key fob depend on radio signals to communicate, therefore weak or inconsistent signals can cause poor performance and range. The battery level of your fob is a good idea, since it can significantly affect signal sensitivity. It is also recommended to reset the settings of your fob and help bring back the same response from the car. The procedure differs from vehicle to vehicle, so your owner's manual or call to the helpline of the manufacturer will likely be your best guide here. Other factors, like interference from other devices that operate at the same frequency can also affect weak signals. Power lines as well as other key fobs, wireless communication devices, and even cell networks can disrupt the RF (radio frequency) signals that your key fob uses to connect to the receiver inside your vehicle. The physical damage to your keyfob can also affect the transmission of an RF signal, leading to poor performance and range. A damaged or blown fuse, a broken or cracked buttons or a bent case can all affect the transmission of signals, causing the remote to fail to respond. There are a few simple steps you can take to try and fix the problem of weak signals from your fob, such as resetting the fob's settings or changing the battery. If your fob has become old and worn, it may be time to replace it. Don't forget to utilize the spare remote that came with your car if your primary remote begins to fail. It's worth trying this solution to see if it solves the issue before investing in the new one. If not, this might be the perfect moment to call an experienced auto locksmith. They will be able diagnose the issue and suggest the best course of actions. Physical Damage Key fobs may have issues from time to time. Fortunately, most of these issues aren't complicated or a major issue and can be resolved by following a few simple steps. It's also a good idea to keep spare batteries or a different fob in case your key ever stops working. The most common reason for a car key fob not working is an inactive battery. These tiny devices are powered by lithium-ion buttons or coin cell batteries. They can be replaced easily and can be found at most pharmacies, grocery stores and shops that sell electronic products. Open the fob's case with a screwdriver with a flat head and gently pull out the battery you have. Check to see if it's loose or damaged and then simply pop in the new battery. Most fobs require CR2032 batteries. However, yours may require a different type. The fob may not be responding to buttons if it loses its connection with your car. This can be caused by various reasons, such as changing the batteries. However, an auto Locksmith or a local dealer is usually able to solve the issue. If none of the methods above work, try this trick: unplug the battery from the car and the fob for a few minutes and then reconnect them in a reverse order. This can force the system to reboot, and in some cases it will resolve the issue without further steps. While you're experimenting with the fob, make sure to keep it clear of water and other dangers. A fob can be pretty durable, but it's important to treat it with care when you want it to last as long as it can. If none of the troubleshooting procedures above help you, it may be necessary to replace your key fob. If yours has been dropped, trodden on or subjected to other extreme environmental conditions, it could be damaged beyond repair and may require a replacement. Find the best deal. Lost Fob Even with the best of care keys for cars, they will occasionally stop working. If you lose yours, it could be very expensive to replace it—especially if you don't have a spare. “You might end up paying between $50 and $100 for a replacement and getting it programmed by the dealer, plus a mechanical backup that will cost you another $100,” says Mel Yu an automotive analyst at Consumer Reports. One of the most common reasons for a key fob to not function is a simple issue, such as a weak battery. If you know how to change the battery, or if your owner's manual contains instructions, you can attempt it yourself. If this doesn't work, you'll have to call an expert. A locksmith is able to help you find the lost fob or have it replaced. They will also likely have a good idea of the reason why your fob stopped working in the first instance. If your car is older and doesn't come with smart technology, you can still save money by recording the number plate from your mechanical backup key. It's usually hidden behind an ornamental keychain. This will make it easier for a locksmith to reprogram the new key fob for your car in the event that you require it. If your key fob is an old smart key, it'll need to be deprogrammed by a locksmith or car dealer. This can cost more than simply replacing it. This is because modern key fobs use rolling-code encryption to stop thieves from accessing the car. car key remote repair near me means that the locksmith has to use a special software program that is only available to car manufacturers, which increases the cost. In most cases, the entire process will be charged one time. This includes any costs to reprogramme a new keyfob. It can cost anywhere from $20 in some stores to over $200 at car dealerships, based on the vehicle.