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Key Fob Replacement and Repair Modern car key fobs are used frequently and are frequently abused. Many times, a simple replacement or repair is all that's required to get them back in good working order. Most fobs run on a flat watch-style batteries, which is easily found in hardware and auto parts stores. Before calling an expert, try a few DIY fixes. Dead Key Fob Battery The battery in the key fob's remote powers the remote you have in your car and, in push-to-start vehicles, it can start your engine. As a result, it is essential to keep a healthy, working battery. When you're out and about and your key fob is not working, it can cause a lot of trouble. The good news is that a cheap, simple replacement can fix it quickly. The loss of range and signal strength are among the most commonly observed signs that a keyfob battery is failing. You might also notice that the buttons on your key fob are not working or require more effort. You can often find an updated key fob battery in the auto parts section of a large box store or on the internet. Typically, they're 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 prior to purchasing the right battery for your vehicle. Certain cars require a specific size or type of battery that isn't always readily available at big-box retailers Be sure to know the specifications prior to you buy. The battery is usually located in the back of the key fob. It is removed using the flat-bladed screwdriver, by prying the case open. The battery will look similar to a small coin and will be labeled based on its size. Be sure to note down the orientation of the plus and minus signs in order to put the new battery in the correct place. 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 cease functioning even after battery replacement, it may be deprogrammed. In this case it is likely that a locksmith will be needed to help you. This will cost more than replacing the key fob's battery. The skilled mechanics at YourMechanic are able to repair your key fob in the event that it is damaged or if the battery has failed. Make an appointment to look over the range of services we provide in your local area. Weak Signals If you notice that your key fob isn't responding to the buttons on the remote, this can be an indication of a problem with the signaling. Your car and key fob rely on radio signals to communicate, therefore weak or inconsistent signals could result in poor range and performance. Checking the battery level of your fob is a good idea since it can significantly affect the sensitivity of your signal. It's also advisable to reset the settings of your fob and help restore an even and consistent response from the car. The procedure differs from vehicle to vehicle, so your owner's manual or a call to the help line of the manufacturer is probably the best guide here. Other factors can cause weak fob signals, including interference from other devices operating at the same frequency as your key fob. Other key fobs and wireless communication devices could interfere with the RF (radio-frequency) signals that your key fob transmits to the receiver of your vehicle. Finally, physical damage to your key fob could also interfere with the transmission of RF signals, which may result in poor performance and range. A blown fuse, a broken or cracked button or a bent case of the fob may affect signal transmission and cause the remote to respond. You can try to solve the issue by resetting the fob's settings, or by replacing the battery. If your fob has become old and worn, it could be the right time to replace it. Don't forget to remember that 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 prior to investing in the new one. If not, it might be the best time to consult an expert auto locksmith. They can determine the cause 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 complicated or a major issue and can be fixed by following a few simple steps. It's important to have spare batteries or even an additional fob in case one of your keys ever ceases to function. A dead battery is the most common cause of a car keyfob not working. These tiny devices are powered by lithium-ion buttons or coin cell batteries. They are easy to replace and are available at most pharmacies, food stores and shops that sell electronic products. You can remove your fob's case using a flat head screwdriver and gently pry out the battery. Replace the battery, ensuring that it's not damaged, loose or damaged. Most fobs require CR2032 batteries. However, yours might require a different kind. When your fob loses its pairing, it could stop responding to buttons. This could be due to a number of factors, including changing the batteries, but is typically a simple issue to get an auto Locksmith or your local dealership to resolve. Try this trick to fix your fob in the event that none of the above methods work: remove the battery from both the car and the fob for about 10 minutes, then reconnect them in the reverse order. This could trigger a restart within the system, and in some cases this will fix the issue without having to do any of the other steps. While you're experimenting with the fob, be sure to keep it out of water and other potential sources of damage. The fob is tough, but you should treat it with care to make it last for as long as it is possible to. If the above troubleshooting tips aren't working, it could be time to replace your key fob. If yours has been dropped or tripped over, or exposed to other environmental hazards, it could be damaged beyond repair and in need of a replacement. Find the most affordable price. Lost Fob Even with the best care keys to cars can fail at times. It's costly to replace yours if you lose it, especially if you do not have an alternative. “You might end up paying $50 or more to purchase an alternative from the dealer and then have 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. A weak battery is among the most frequent reasons for a keyfob to cease to function. Try changing the battery yourself If you are familiar with the procedure or consult your owner's manual. If that doesn't work you'll have to call an expert. A locksmith can be able to help you find the lost fob or have it replaced. They'll also have a good idea of the reason your fob stopped functioning in the first place. And if your car is a model older than the one you own and has no smart technology built-in it is possible to save cash by locating the key number plate on your existing mechanical backup key (it's typically hidden behind a decorative keychain ornament) and recording it in a secure location, such as your wallet or on your phone. If you need to reprogram 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 could cost more than simply replacing it. This is because modern key fobs use rolling-code encryption that prevents thieves from getting into the car. This means that the locksmith needs to have an exclusive programing tool that only the car manufacturer has, which adds to the overall expense. In the majority of cases, you'll need to pay for the entire service at once, which includes any costs to reprogram a new key fob. lock key repair near me can range from $20 in some stores to more than $200 at car dealerships, based on the vehicle.