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Key Fob Replacement and Repair The key fobs in modern vehicles perform a lot of work and are subject to a lot of abuse. Sometimes, a simple repair or replacement is all you need to make them functional again. Most fobs use flat-watch-style batteries that are readily available in auto parts stores. Before calling in an expert, try some DIY fixes. Dead Key Fob Battery The battery in the key fob's remote powers your car's remote and in push-to start cars, it can start your engine. Therefore, it is essential to keep an active, healthy battery. When you're on the go and your key fob is not working, it can cause a lot of trouble. A simple, low-cost replacement can fix the issue quickly. The loss of range and signal strength are among the most commonly observed indications that a battery on a keyfob is failing. It is also possible to notice that the buttons on your key fob aren't working or require more effort. A new key fob is available in the auto part section of a major retailer or on the internet. They are typically CR2032 or CR2025 batteries and are available in packs of two or more. However, it's a good idea to consult your owner's manual before you shop for the right battery for your vehicle. Certain vehicles require a particular size or type of battery that isn't always available at big-box stores. Be sure to research before purchasing. The battery is typically located in the back of the key fob. It is removed using an abrasive screwdriver with a flat blade by opening the case. It is usually shaped like an ordinary coin and will be labeled with the battery size. Make sure to note the way the plus and minus symbols are positioned to ensure that the battery you are replacing is properly placed. After the replacement battery is inserted, gently snap both pieces of the fob in place and test each button to make sure they function. It's important to note that when your key fob is unable to not function, even after a battery replacement, it may be deprogrammed. In this case, you'll need to contact a locksmith for help 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. Schedule an appointment to see the range of services we offer in your area. Weak Signals If your key fob does not respond to the buttons on the remote it could be a sign that the signaling isn't functioning properly. Radio signals are used to send messages between your car and the key fob. Poor or inconsistent radio signals can result in poor performance and a limited range. One of the first things you should determine is if the battery of your fob is depleted because this could significantly impact signal sensitivity. Resetting the settings on the fob can also help restore a more consistent response. The procedure will differ from vehicle to vehicle. The owner's guide or a phone call to your manufacturer's support line is your best source of information. Other factors can cause weak fob signals, such as interference from other devices that operate on the same frequency as your key fob. Other key fobs and wireless communication devices could interfere with the RF (radio-frequency) signals your key fob transmits to connect to the receiver of your vehicle. Damage to your keyfob's physical structure can also affect the transmission of RF signal, resulting in poor performance and range. A blown fuse, a broken or cracked button or a bent case on the fob could all affect the signal transmission and cause the remote to respond. You can attempt to solve the issue by resetting the settings on your fob or by replacing the battery. If, however, your fob is old and worn out, it's the time to replace it all over again. Don't forget to utilize the spare remote that came with your car if your primary remote begins to fail. It's a good idea to try this method to see if it can solve the issue prior to investing in an entirely new one. In this instance it may be an appropriate time to consult an expert auto-locksmith. They will be able diagnose the issue and suggest the best course of action. Physical Damage Key fobs can be troublesome from time to time. Luckily, the majority of these issues aren't difficult or complicated and can be fixed by following a few simple steps. It's also a good idea to keep spare batteries or another fob in case your key ever ceases to work. A dead battery is the most frequent reason for a car keyfob not working. These small devices rely on tiny lithium-ion coin or button batteries to function. They can be replaced easily and can be found at most pharmacies, grocery stores and places that sell electronic products. You can access the fob's shell with a screwdriver with a flat head and gently pull out the existing battery. Make sure it's not loose or damaged and then simply pop in a new battery. Most fobs utilize CR2032 batteries. However, yours may require a different type. The fob may also stop responding to buttons when it loses its pairing with the car. This could be due to a variety of factors, such as changing the batteries, however it is generally simple to get an auto Locksmith or your local dealership to fix. You can try this trick to solve your fob issue when none of the other methods work: Disconnect the battery from both the fob and the car for about ten minutes, then reconnect them in the reverse order. This could trigger a reboot within the system, and in some cases this will fix the issue without having to do any of the other steps. When you're playing around with the fob, be sure to keep it out of water and other possible dangers. The fob is a durable device however, you must take care with it to ensure it lasts as long as it can. If none of the troubleshooting steps above work you, you may have to replace your key fob. If it has been dropped, trampled on or exposed to harsh environmental conditions, it may not be repairable and will need an upgrade. If that's the case, you should be sure to shop around for a deal prior to making a final decision. Lost Fob Even with the best care keys for cars, they will occasionally stop working. It's costly to replace yours in the event that you lose it, especially if you do not have an extra. “You might end up paying $50 or more to purchase a new replacement from a dealer and get it programmed, and a new mechanical backup which could cost you at least another $100,” says Mel Yu who is an automotive analyst at Consumer Reports. A weak battery is among the most frequent reasons for a keyfob to cease to function. If you know how to replace the battery, or if your owner's manual contains instructions, you can try it yourself. If that doesn't work you'll have to call an expert. A locksmith can help replace or find your lost key fob. A locksmith will probably know the reason your fob stopped working in the first initial place. If your vehicle is an older model with no built-in smart technology You can save cash by locating the key number plate on your current mechanical backup key (it's usually hidden behind a decorative keychain) and recording it in a secure place, such as your wallet or on your phone. car key fob repairs near me will make it easier for the locksmith to reprogram the new key fob to your car should you need to do it. If your key fob is an older smart key, it will need to be deprogrammed by a locksmith or car dealer. This can cost more than just replacing it. This is because modern key fobs utilize rolling-code encryption to prevent thieves from gaining access to the car. This means that the locksmith must have an exclusive programming tool that only the vehicle manufacturer is equipped with, which adds to the overall expense. In most cases, the entire process will be charged once. This includes any charges for reprogramming a keyfob. It can cost anywhere from $20 at some shops to more than $200 at car dealerships, based on the model of vehicle.