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Key Fob Replacement and Repair Key fobs on modern vehicles perform a lot of work and are subject to an awful amount of abuse. Many times an easy repair or replacement is all it takes to bring them back into good working in good condition. The majority of fobs are made with flat-watch-style batteries that can be found in auto parts retailers. Before you call in a professional, do some DIY fixes. keys repair have in your car and, in push-to-start vehicles it will start your engine. It is therefore important to maintain a working, healthy battery. When you're on the go, a dead key fob could be a major issue. A simple, affordable replacement will solve the issue quickly. The most frequent sign that a key fob battery is dying is the decrease in signal strength and range. You may also notice that the buttons on your fob do not work or require additional effort to turn on. You will often find a new key fob battery in the auto parts section of a big box store or on the internet. Typically, these batteries are CR2032 and CR2025 and are available in packs of 2 or more. However it's a good idea to consult your owner's manual before shopping for the correct battery for your device. Some cars require a specific size or type that isn't always readily available at big-box stores. Be sure to check before purchasing. Typically the battery is situated in the back of your key fob. It can be removed by prying open the case with a flat-blade screwdriver. It is usually shaped like an ordinary coin and will be labeled with the battery size. Make sure to note the direction the plus and minus symbols are placed to ensure that the new battery is positioned correctly. After the battery has been replaced, gently snap the two pieces of the fob back together, and test the buttons. If your key fob isn't working after replacing the battery, it may have been deprogrammed. In this case it is likely that a locksmith will be required to assist you. This will cost more than just replacing the key fob's battery. If the battery in your fob is failing or you're experiencing other issues with your key fob, an experienced mechanic like one from YourMechanic can check and repair it to get you back on the road. Make sure to look over the range of services we offer in your area and make an appointment today! Weak Signals If your key fob isn't able to respond to the buttons on the remote, it could be a sign that the signaling system is not functioning correctly. Radio signals are used to communicate between your car and the key fob. Poor or inconsistent radio signals can lead to low performance and limited range. One of the first things you should check is whether or not your fob's battery is insufficient because this could significantly impact signal sensitivity. It is also recommended to reset the settings of your fob that can help bring back a more consistent 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 guide. Other factors can contribute to weak fob signals, for example, interference from other devices operating at the same frequency as your key fob. Power lines and other key fobs wireless communication devices, and even cellular networks can disrupt the RF (radio frequency) signals that your key fob utilizes to connect to the receiver inside your vehicle. Furthermore physical damage to your key fob may also interfere with the transmission of RF signals which can result in poor performance and range. A blown fuse, a damaged or cracked buttons or a bent case could interfere with the transmission of signals and cause the remote to fail to respond. You can solve the issue by resetting your fob's settings or by replacing the battery. If, however, your fob is worn out, it's time to replace it altogether. Also, don't forget if you have an extra key fob which comes with your vehicle, it could be used in place of the primary remote in case it starts to fail. It's a good idea to try this method to see if it solves the issue before investing in a new one. If not, it might be the right time to consult a professional auto locksmith. They will be able diagnose the issue and suggest the best course of action. 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 with some simple steps. It's a good idea also to keep spare batteries or another fob on hand in case your key ever stops working. A dead battery is the most common cause of a car keyfob not working. These tiny devices depend on tiny lithium-ion coin or button batteries to function. They can be replaced and can be found at most pharmacies and stores. The fob's case can be opened using a flat-headed screwdriver and gently remove the battery that you have. Check to see if it's damaged or loose and then insert a new battery. Most fobs require CR2032 batteries. However, yours might need a different type. If your device loses its pairing, it can cease to respond to buttons. This could be due to many factors, such as changing the batteries. However it is possible to fix the issue with an auto Locksmith or local dealership is usually able to fix it. If none of the strategies above work, you can try this method: disconnect the batteries from the car and the fob for a few minutes and then reconnect them in the opposite order. This could cause the system to restart and in some cases it can fix the issue without further steps. Keep the fob clear of water or other sources of damage while trying out new techniques. The fob is tough however, you must treat it with care to ensure that it lasts for as long as you can. If none of the troubleshooting techniques above work, you may need to replace your key fob. If it's been dropped, trampled on or exposed to harsh environmental conditions, it could not be repairable and will require an upgrade. Find the best deal. Lost Fob Even with the best care it's a fact of the road that car key fobs may sometimes cease to function. If yours is lost, it can be extremely expensive to replace it, particularly if you don't have a spare. “You might end up paying $50 – $100 for a new one 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 frequent reasons for a key fob's device to not function is a simple issue, such as an insufficient battery. Try changing the battery yourself when you know how, or refer to the owner's manual. If that doesn't solve the problem, you need to contact an expert. A locksmith can assist you replace or find your lost key fob. They will also likely have an idea of the reason why your fob stopped working in the first place. If your car is older and doesn't come with smart technology, you can still save money by recording the key's number plate from your mechanical backup key. It's typically hidden behind an ornamental keychain. This will make it easier for a locksmith to reprogram a new key fob to your car in the event that you need to do it. If your current key fob is a smart key of the present and you want to change it, you'll need to go to an auto dealer or locksmith to remove it from the system and have an entirely new one and this can be more expensive than simply replacing it. That's because modern key fobs use rolling-code encryption that prevents thieves from getting into the car. This means that the locksmith must use a special software program that is available only to car manufacturers, which can increase the cost. In most cases, the entire service will be billed at the same time. This includes any charges for reprogramming a keyfob. Depending on the vehicle it could cost anywhere from a mere $20 at some shops to $200 or more at a dealership for cars.