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Key Fob Replacement and Repair Modern car key fobs are utilized frequently and are often abused. Sometimes, a simple replacement or repair is all that's required to bring them back into working in good condition. Most fobs utilize flat watch-style batteries, which are easy to find in auto parts retailers. Before you call an expert, you can try a few DIY fixes! Dead Key Fob Batteries The battery for the key fob power the remote function in your car. It also, in conjunction with push-to-start vehicles it allows it to start your engine. It is therefore essential to keep a functioning, healthy battery. When you're on the move, a dead key fob could be a major issue. A simple, low-cost replacement can fix the issue quickly. The most frequent indication that a battery on a key fob is depleting is the loss of signal strength and range. You may also notice the buttons on your key fob aren't working or require additional effort. A new key fob is available in the auto parts section of a large retailer or online. Typically, they're CR2032 or CR2025 batteries that are available in packs of two or more. However it's best to read the owner's manual before you shop for the correct battery for your device. Some cars require a particular size or kind of battery that's not always available at big-box stores Be sure to know the specifications prior to you buy. Typically, the battery is located in the back of your key fob. It is removed by tearing the case open with the flat-blade screwdriver. It is usually shaped like the shape of a small coin, and be labeled with the battery size. Be sure to note which direction the plus and minus symbols are positioned to ensure that the new battery 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 stop functioning even after a battery replacement, it might have been deprogrammed. In this instance, a locksmith will be required to assist you. This will cost more than replacing the key fob's battery. If the battery in your fob is dying or you're having other issues with your fob's battery an experienced mechanic such as one from YourMechanic can check and repair it to get you back on the road. Make sure to look over all of our services in your region and book an appointment now! Weak Signals If your key fob does not respond to the buttons of the remote it could indicate that the signaling isn't working properly. Radio signals are used to transmit information between your car and key fob. Poor or inconsistent radio signals can lead to poor performance and range. The battery level of your fob is a good idea because it could have a significant impact on the sensitivity of the signal. It's also worth resetting the fob's settings and help get the same response from the car. The procedure will differ from vehicle to vehicle. The owner's manual or a phone call to your manufacturer's support line is the best source of information. Other factors can contribute to weak fob signals, for example, interference from other devices operating on the same frequency as your key fob. Power lines, other key fobs, wireless communication devices, and even cell networks can disrupt the RF (radio frequency) signals that your key fob utilizes to connect to the receiver inside your vehicle. Physical damage to your keyfob can also interfere with the transmission of radio signal, which can result in poor performance and range. A blown fuses, a broken or cracked button or a bent case on the fob can affect the transmission of signals and cause the remote to not to respond. There are a few simple steps you can try to and resolve the issue of weak fob signals, such as resetting the fob's settings or changing the battery. If your fob has become old and worn out, it might be time to replace it. Don't forget to use the spare remote that was included with your vehicle if your primary remote starts to fail. Try this method first to determine if you can resolve the issue before purchasing another remote. In this situation, it might be an appropriate time to consult an auto-locksmith professional. They will be able to identify the issue and suggest the best way to proceed. Physical Damage Key fobs can be troublesome from time to time. Luckily, the majority of these issues aren't complicated or a major issue and can be solved with a few easy steps. It's also a good idea to keep spare batteries or another fob in the event that your key fails to function. A dead battery is the most common reason why a key fob in a car is not working. These little devices rely on tiny lithium-ion button or coin batteries to function. These are easily replaced and are available at most pharmacies, grocery stores, and other places that sell electronics. You can open your fob's case using a screwdriver with a flat head and gently pry out the battery. Check to see if it's damaged or loose, and then simply pop in an alternative battery. Most fobs require CR2032 batteries. However, yours may require a different type. Your fob could not be responding to buttons if it loses its pairing with the car. This could be due to a variety of factors, including changing the batteries, but is usually easy for an auto Locksmith or your local dealer to fix. Try car remote key repair to fix your fob if none of the above methods work: Disconnect the battery from both the fob and the car for about ten minutes, and then reconnect them in the reverse order. This can force the system to restart and in some instances it can fix the issue without any other steps. When you're playing around with the fob, make sure to keep it out of water and other dangers. A fob can be pretty durable, but it's important to take care with it when you want it to last as long as possible. If all of the suggestions above aren't working, it could be time to think about replacing your key fob. If it's been dropped or trampled upon, or exposed to extreme environmental conditions, it could not be repairable and will require a replacement. Shop around to find the most affordable price. Lost Fob Even with the best of care keys to cars may fail to function. If you lose yours, it could be a huge expense to replace it, especially if you don't have a spare. “You might end up paying $50 or more to purchase an alternative from the dealer and have it programmed, and a new mechanical backup, which will cost at least another $100,” says Mel Yu an automotive analyst with Consumer Reports. A weak battery is one of the most frequent reasons for a keyfob's device to stop working. If you are familiar with how to change the battery, or if the owner's manual contains instructions, you can attempt it yourself. If that doesn't solve the issue, it's time to call in an expert. A locksmith is in a position to assist you in finding your lost fob or get it replaced. They'll also probably have an idea of the reason why your fob was not functioning in the first place. If your car is older and does not include smart technology, you can still save money by recording the key number plate from your mechanical backup key. It's usually hidden behind a keychain with an ornamental design. If you're looking to change the programming of 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 can cost more than simply replacing it. That's because modern key fobs utilize rolling-code encryption that prevents thieves from getting into the car. This means that the locksmith must have an exclusive programing tool that only the car manufacturer has, which increases the overall cost. In most cases, you'll need to pay for the entire service at once, which includes any costs to reprogram the new key fob. This can range from $20 in certain stores to over $200 at dealerships for cars, based on the car.