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Key Fob Repair Service Key fobs take a beating. Based on the way they're stored and how often they're moved around, their buttons could get stuck or damaged. The majority of key fob issues are simple to fix. Certain key fob issues are more serious, and require professional assistance. A locksmith can be a great resource in these situations. car key fob repairs are pretty smart However, that doesn't mean they do not sometimes become stuck in the “not responding zone”. It's time to replace your battery if this happens. But that doesn't always solve the issue, as you may also have a bad connection on one of the battery connector terminals. Automobile manufacturers are aware of this potential issue, so they usually install a spare mechanical key inside the fob in case of the case of an emergency. To access this, you can locate the small release switch or latch behind the fob (check the user's manual for more details). By pressing this button, you'll be able to open the fob to reveal a key that you can use to unlock your car. Another sign that your fob's battery is dying is that you have to be a lot closer to your car to open and lock it than before. The transmitter of the fob's transmitter loses power when its battery dies. This limits its range. Replacing the battery is straightforward and fairly inexpensive. Make sure you purchase a button cell battery (which looks like an incredibly small silver coin) to replace your fob, and follow the user guideline or video instructions on how to take out the old one. Then, replace the new battery in the same direction that the previous one was placed (the positive side should face upwards towards the buttons). After reassembling your fob, test its start and lock functions as well as unlock/lock functions to ensure that the battery was installed correctly. Some key fobs are a little tricky to open but you should be able to open them by locating the latch, switch or screw on the back of the fob and then prying it open. Be careful not to break the fob because you'll need it to connect to your vehicle! You could also take the fob to a professional in case you're not comfortable doing it yourself. Since it's a routine service that most auto shops will swap the battery on a fob for a nominal charge. Some dealers may even perform the swap for free, based on the model and brand of your car. Fob not working The first thing you should do if your key fob isn't working is to replace the batteries. This is the quickest fix and is the most likely way to fix the problem. If your device still does not work after changing the battery, it could be caused by damage. The key fob in your car can be damaged due to various reasons, such as physical trauma, exposure to water, or a corroded or damaged board. These issues may prevent your key from communicating with the vehicle's receiver, which then prevents your car's doors and/or ignition from opening or starting. If your fob has been damaged, it's likely that you'll need a professional to repair the part or the entire device. The buttons on your keychain could have worn out with repeated use. The rubber may wear out and make the buttons less springy or 'clicky' and eventually, they'll begin to fail to detect your press accurately. You can try wiping down the buttons and then adjusting them to see if this fixes the issue, but it's usually best to take the fob to be professionally assessed for more extensive repairs. Double check that the battery you're using is exactly right for your fob. You can find a list with acceptable batteries online or at many hardware stores. You must always refer to your owner's manual or engraving on the inside of your fob to determine what kind of battery it requires. If the battery is not the correct fit, it may have issues transmitting strong signals and supplying enough power to internal components. In the rarest of cases, it could be that the problem is not with your key fob but rather with the vehicle's receiver or electronic components. If you have an inductive backup system, you can test it by opening the door using a physical key and then beginning the car using the inductive backup (if it is available). If your key's physical counterpart does not open or start your car, make sure a mechanic check the receiver and electronic components to ensure they are working properly. Fob Is Damaged A key fob has many parts that are interconnected, and one failure can cause others to fail. If a key fob ceases working it's important to examine whether there's a cause obvious like a cracked case or a broken internal component. Check the horn, lights and other parts of the car to ensure they're functioning correctly. It is better to replace the key fob if it's damaged, rather than try to repair it. It might be necessary to reset the fob for the car. This isn't something you can do at home and requires specialized equipment. Over time the contacts on the buttons of a key fob could wear out. This is especially common if the fob is dropped or left in hot weather. The internal wiring of a key fob could be worn out over time. This could lead to the button not functioning when it's being pressed or only working when press extremely hard. This could also lead to the vehicle not being able to start or unlock once the fob is pressed. Most key fobs come with a plastic cover which can be removed and cleaned safely by using soap and warm water. This can help restore a keyfob to its original function. It's an excellent idea to clean it frequently to avoid dirt destroying the inside. A damaged battery is usually the reason the key fob will not turn on or function. Most car dealers and mechanics can replace the batteries quickly however, if you're comfortable doing it yourself, you can buy a battery at the hardware store or a big-box retailer and follow instructions in the owner's manual or on YouTube to install it. The most likely scenario is that the key fob has internal damage, like cracks in the case, tiny electronic components that are not fully connected to the circuit board or bent or corroded battery contact points. If any of these are the scenario, it's a great idea to talk to an auto locksmith or the dealer for a recommendation for a replacement and assistance to program it to your vehicle. Fob isn't programming. Car key fobs are a convenient feature that lets you unlock your car doors and begin the engine. They can also be a source of frustration when they stop working or appear to work intermittently. In some instances the issue may be as simple as replacing the battery but in other cases, it could involve an even more complex repair. The first step is to identify the reason for why the fob isn't functioning properly. The most common reason for a fob to malfunction is that it doesn't recognize your vehicle. This can happen if the connection between the remote and your car is cut off. You may be able to reset this connection without the need for a key fob repair service. Other problems can arise when the key fob no more sends a clear signal. This could be the result of a key is damaged or the battery is dead. In either case, you should try to resync the key with your vehicle. This can be done by following the instructions provided with the key fob. You should also keep a spare car key in case the primary key is lost. It's possible that the fob doesn't receive the signal sufficiently strong from the car. This can be caused by an insufficient car battery, interference from wireless devices, or an antenna problem. You can test the fob to see whether this is the cause by using a remote tester. If the tester does not blink when you press any of the buttons, it could be a sign that the battery is in need of replacement or the fob is been damaged. Another possible reason for the fob not transmitting a strong enough signal is that the immobilizer system in your car is blocking it from sending a strong signal. This can occur if your key fob hasn't been properly programmed or there's a software issue. If you are unable to fix the fob or it's not worth the trouble to try to fix it, you need to purchase a new one. There are low-cost alternatives from a variety of online retailers, and some of these are even delivered to your doorstep.