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Key Fob Replacement and Repair Modern car key fobs are utilized frequently and are often misused. In many cases an easy repair or replacement is all that's required to get them back in good working in good condition. Most fobs utilize flat watch-style batteries, which are readily available in auto parts stores. But before you call an expert, you can try a few DIY solutions! Dead Key Fob Batteries The battery in the key fob's remote powers your remote in your car and in push-to start cars, it can start your engine. It is therefore essential to maintain a working healthy and a good battery. When you're on the go, a dead key fob can cause a lot of trouble. The good news is that a simple, inexpensive replacement can be made to fix it in a short time. The most common indication that a key fob's battery is depleting is the decrease in signal strength and range. You may also notice the buttons on the key fob aren't working or require additional effort. You can often find a new key fob battery in the auto parts section of a large box retailer or online. They are typically CR2032 and CR2025 and are sold in packs of 2 or more. However it's a good idea to check your owner's manual before shopping for the right battery for your vehicle. Certain cars require a certain size or type that isn't always readily available at big-box stores. Make sure to verify before you buy. Typically the battery is situated on the back of your key fob and can be removed by prying the case open using a flat-blade screwdriver. It is likely to look like a small coin and be marked with the battery's size. Make mobile key repair to note the direction the plus and minus symbols are positioned 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 still doesn't work after replacing the battery, it might have been deprogrammed. In this instance it is likely that a locksmith will be required to assist you. This will cost more than just replacing the key fob's battery. The skilled mechanics at YourMechanic are able to repair your key fob if it is damaged or if the battery has failed. Make an appointment to look over all the services we offer in your area. Weak Signals If you find that your key fob isn't responding as you would expect to the buttons on the remote, this can be an indication of a problem with the signaling. Your car and key fob depend on radio signals to communicate, and weak or inconsistent signals can cause poor performance and range. One of the first things you should check is whether or not the battery of your fob is depleted, as this can significantly impact signal sensitivity. It is also recommended to reset the settings of your fob, which can help to restore an even and consistent response from the car. The process will vary from vehicle to vehicle. The owner's guide or a phone call to your manufacturer's support line is your best resource. Other factors can contribute to weak fob signals, such as interference from other devices operating on the same frequency as your key fob. Other key fobs and wireless communication devices may interfere with the RF (radio-frequency) signals that your key fob sends to connect to the vehicle's receiver. Damage to your keyfob's physical structure can affect the transmission of an RF signal, which can result in lower performance and less range. A blown fuse, a broken or cracked button or a bent case on the fob may affect the transmission of signals and cause the remote to not to respond. There are a few easy steps you can try to and resolve the issue of weak fob signals, for example, resetting the fob's settings or replacing the battery. However, if your fob is old and worn out, it's probably time to replace it altogether. Don't forget to utilize the spare remote that came with your car if your primary remote starts to fail. It's worth trying this solution to determine if it resolves the issue before investing in the new one. In this case it could be the right an appropriate time to consult an expert auto-locksmith. They can identify the issue and suggest the best way to proceed. Physical Damage Key fobs can be troublesome occasionally. Luckily, the majority of these problems are not serious or complex and can be solved with some simple steps. It's important to have spare batteries or even another fob available in case one of your keys ever ceases to function. The most frequent cause for the car key fob not working is an inactive battery. These small devices rely on tiny lithium-ion button or coin batteries to function. They can be replaced easily and are available in most pharmacies, grocery stores and shops which sell electronic items. You can access the fob's casing using a flat head screwdriver and gently remove the existing battery. Ensure that it is not damaged or loose, and then insert an alternative battery. Most fobs utilize CR2032 batteries, but yours may require an alternative type. Your fob might also stop responding to buttons after losing its connection to the car. This can be caused by many factors including changing the batteries. However an auto Locksmith or local dealership can usually repair the issue. You can try this trick to solve your fob issue if none of the above methods work: remove the battery from both the fob and the car for about 10 minutes, and then reconnect them in the reverse order. This could cause the system to restart and in some cases it can fix the issue without any other steps. Keep the fob out of water or other sources of damage while playing around. 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 none of the troubleshooting techniques above help you, you may have to replace your key fob. If it's been dropped, trodden on or subjected to other environmental hazards, it could be damaged beyond repair and in need of an upgrade. If this is the case, be sure to look around for a deal prior to making your final choice. Lost Fob Even with the best care keys for cars, they can fail at times. If you lose yours, it could be a huge expense to replace it, especially when you don't have a spare. “You may end up paying between $50 and $100 for a replacement and having it programmed by the dealer, plus a mechanical backup that will cost 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 problem, such as an insufficient battery. If you are familiar with how to change the battery, or if your owner's manual has instructions, you can try it yourself. If that doesn't work, you'll need to call an expert. A locksmith is in a position to assist you in finding the lost fob or have it replaced. A locksmith can probably tell you the reason why your fob stopped working in the first in the first place. If your car is older and does not come with smart technology it is still possible to save money by recording the number plate of 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 to your car if you ever need to do so. If your key fob is an older smart key, it'll have to be deprogrammed by a locksmith or car dealer. This could cost more than just replacing it. Modern key fobs are protected by rolling-code encryption, which prevents thieves from gaining access to your car. That means that locksmiths need an exclusive programming tool that only the vehicle manufacturer is equipped with, which adds to the overall expense. In the majority of cases, the entire process will be charged one time. This includes any costs for reprogramming a new keyfob. Depending on the vehicle it could cost anywhere from $20 at some stores to $200 or more at a car dealer.