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Key Fob Repair Service Key fobs are subject to a lot of abuse. Buttons can become stuck or break, depending on the way they are stored and how often they are tossed around. The majority of key fob issues are fixable. But some are more serious and require expert assistance. Locksmiths can be a huge help in these situations. Dead Fob Battery Car key fobs are pretty intelligent however this doesn't mean that they won't occasionally get stuck in the “not responding” zone. When this happens, it's usually time to replace the battery. This won't fix the issue because there could be a bad connection at one of the terminals on the battery connector. Automobile manufacturers are aware of this issue, so they usually put a spare mechanical key inside the fob to be used in such an emergency. It is accessible by finding the small release button or latch behind the fob. (Check car key fob repairs for further details). Pressing this button, you can open the fob to reveal a key that you can use to unlock the car. Another indication that your fob's batteries are dying is that you need to be a lot closer to your car to open and lock it than before. The transmitter of the fob is depleted in energy when its battery is depleted. This limits its range. Replacing the battery is straightforward and relatively cheap. Make sure you purchase a button cell battery (which appears like tiny silver coins) for your fob, and follow the user guideline or video instructions on how to remove the old battery. Then, simply replace the new battery in the same way that the old one was inserted (the positive side should be facing upwards toward the buttons). After reassembling your fob, test its start, lock and unlock functions to make sure that the battery was installed correctly. Certain key fobs may be difficult to open but you should be able to do it by finding the latch, switch or screw on the back of the fob and prying it apart. The fob will need to work with your vehicle, so make sure not to cause damage! You could also take the key fob to an expert should you feel uncomfortable making the change yourself. Since it's a common service the majority of auto shops will swap the battery on fobs for a minimal cost. Some dealers will even do it for no cost depending on the model and brand of your vehicle. Fob not working The first thing to do when your key fob isn't working is to replace the batteries. This is the most straightforward solution and will solve the issue. If your fob is still not working after a battery change it could be due to damage or another issue that requires the attention of a professional. Damage can occur to your car key fob for a variety of reasons including physical trauma, exposure to water, or a damaged circuit board. These issues could stop your key from transmitting the signal to the receiver inside your vehicle, which could stop your car's ignition or doors from opening. If your fob has been damaged, it's likely that you'll require a professional to replace the component or the entire device. The buttons on your fob may have worn away with repeated use. Rubber can wear out and make the buttons less clicky or springy. They may also stop registering your presses. Try wiping the buttons and then adjusting them to see if that fixes the issue, but it's usually best to take the fob to have it professionally assessed for more extensive repairs. Check that the battery you're using is compatible with your fob. You can find a list online or in many hardware stores. Check the owner's manual or the engraving on your fob for further details. If the battery isn't the right fit it could have problems transmitting strong signals and supplying enough power to internal components. In the rarest of cases it could be the case that the issue isn't with your key fob, but rather with the vehicle's receiver or electronic components. You can test this by using an actual key to open the door, and then trying to start your car using the inductive backup system (if there is). If your physical key does not open or start your car, make sure an expert check the electronic components and the receiver to ensure that they are working properly. Fobs that are damaged A key fob is made up of a variety of parts, and one malfunction can cause other parts to fail. If a key fob stops functioning, it is important to determine whether there's an obvious cause like a cracked case or a malfunctioning internal component. It's also essential to examine other components of the vehicle such as the lights and horn to determine whether they're working as expected. It's better to replace the key fob in case it's damaged rather than attempt to repair it. It might be necessary to reprogramme the fob to the car. This isn't something you can do at home and requires specialized equipment. Over time the contacts on buttons of a key fob may wear out. This is more common if you drop the fob or leave it in hot weather. Over time, the internal wiring in a key fob can also get worn out. It can lead to the button not working when pressed, or only is functional when it is pressed extremely hard. It could also result in the car not opening or locking when the fob is pressed. Most fobs have the cover of plastic that can be opened and safely cleaned with water and soap. This can often restore a key fob to proper function and it's a good idea to do this often to prevent dirt from harming the insides. A damaged battery is the most common reason why the key fob won't turn on or work. Many mechanics and dealers are able to replace the battery quickly. If you're comfortable with the installation and are able to do it yourself, you can purchase a new one at the big-box or hardware store and follow the steps on YouTube or in your owner's guide. The worst-case scenario is that the key fob is damaged internal damage, such as cracks in the case, teeny electronic components not completely attached to the circuit board, or corroded or bent battery contact points. If any of these are the scenario, it's a great idea to talk to an auto locksmith or dealer for a recommendation for a replacement and assistance in programming it for your vehicle. Fob Is Not Programming Car key fobs are an excellent convenience that allows you to unlock your car's doors and begin the engine. They can also be a source of frustration when they stop working or appear to work intermittently. In some cases, the issue can be resolved by replacing the battery. However, in other situations it may require a more complicated repair. The first step is determining the reason for why the fob isn't functioning properly. The most common reason for a fob to malfunction is that it does not recognize your vehicle. This can happen when the connection between your remote and car is broken. The connection can be restored without the need for an expensive key fob repair. Other issues could arise when the key fob isn't able to sends a clear signal. This could be the result of a key has been damaged or the battery is not functioning properly. In either situation, try to reconnect the key to your vehicle. This can be done by following the instructions provided by the key fob. It's also an excellent idea to keep an additional key to make use of it in the event that the primary key isn't working. It's possible that the fob isn't getting a strong enough signal from the car. This could be due to weak batteries in the car or interference from wireless devices or a problem with the antenna. You can test the fob and determine whether this is the problem by using an external tester. If the tester does not light up when any of the buttons are pressed, the battery may need to be replaced or the fob could be damaged. Another reason that the fob not transmitting the right signal is that the immobilizer system in your car is blocking it. This can happen if the fob's programming isn't correct to your vehicle, or it's an issue with the software. If you are unable to fix the fob, or it's not worth the trouble to try to fix it, you should purchase an entirely new one. Many online retailers offer low-cost options and some can be delivered to your residence.