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How to Fix a Skoda Superb Key Fob Not Working A malfunctioning key fob can be an inconvenience, particularly since it could prevent you from getting into your vehicle or starting the car. It's important to know that most key fob problems can be solved by troubleshooting, common sense and a bit of troubleshooting. Begin by replacing the battery. This is the most frequently encountered issue and can be resolved in just a few minutes. Dead Coin Battery The first thing to determine whether your key fob isn't functioning is the battery. If it is dead, the issue is easy to fix by removing it, replace it with a fresh one, and your key fob should start functioning again. This is particularly important as the batteries inside the key fob don't last long, and you'll probably require replacement regularly depending on how frequently you use the key fob. If the new battery fails to fix the problem it could be that there is a problem with the fob that requires professional assistance. Some of the common problems that key fobs face are signals interfering, worn buttons, water damage and receiver module issues and an unresponsive 12 volt battery. To determine whether any of these issues are the reason behind your issue, it is important to have an extra key fob that works so you can identify any possible causes of the problem. The 12 volt battery inside the key fob is essential to power the on-board electronics, including the central locking and remote keyless systems. The remote keyless system will not function when the battery is damaged, or if it has lost its charge. To test the 12 volt battery, disconnect it for a few minutes by taking off the negative cable first, then the positive cable. This will drain the remaining power from the circuit, and then reset it. The remote keyless system will work again. If you have an additional key fob, you should consider trying to re-programme the original one to see if that will fix the issue. Reprogramming the keyfob is easy and involves turning off the ignition, letting it stay on, pressing the unlock button five times, with a one-second gap between each press, and waiting six seconds after the horn sounds. Worn Buttons Whatever way you take care of your key fob, it will fail at some point. Fortunately, most key fob issues aren't severe and can be repaired by replacing the battery. In certain cases, it may be necessary to replace the entire fob. However, prior to doing this it is important to make sure that the replacement battery has the same voltage and size as the original battery. If you have a spare fob, you can always test it to see if the problem is related to the fob or the car. If it doesn't work then the issue is with the car and you'll need to bring it to the dealer. The buttons on your key fob show a lot of wear and tear, and they are more likely to break or pressurized over time. They may stop working and become erratic. This is more common if the key fob was dropped or left in the rain. If this happens pressing the buttons lightly will restore their functionality. You can also take the battery off and clean it using electronic cleaner or isopropyl. Make sure the metal clips that hold the key fob in place are in good condition and tight. This will ensure the contacts are in good contact. The other possible issue is interference with signals. This could be caused by radio transmitters in close proximity, objects, or even the weather. This can cause your key fob to work only when it is very close to your vehicle. This issue can be solved by moving away from the source. Water Damage If the electronic components in your key fob were damaged by water, it may prevent it from working properly. It may cease to function completely or may only work when close to the vehicle. The first thing to consider is replacing the battery. This is a cheap and easy fix and is usually done by tearing the transmitter housing with your thumb or the flathead screwdriver. It is crucial that the battery inside your key fob is healthy. The key fob will not function if the coin battery is depleted. If you have an extra key fob try using it to see if the problem is with your car's receiver modules or if it's an old battery that needs replacing. This will help you figure out whether the issue is with the skoda key fob or if it's something other that requires professional attention. If you've tried the battery trick but are still unable to get your superb key fob to work it could be due to a signal interference issue. This is a frequent issue that can be caused by a number of factors, including other electronic devices that operate on the same frequency. It can also be caused by things like bad weather or objects that interfere with radio waves. In some cases, this type of problem isn't obvious and is difficult to determine. If you find that your key fob only works when it's near the vehicle, this is a good indication of a possible signal interference issue. Receiver Module Issues If your key fob isn't working it could be because the receiver module has developed an issue. This is the chip which communicates with other modules in your vehicle to lock and unlock doors. If the chip develops a fault and fails to function, you'll need to replace it. It could also be due to signal interference. If your key fob is located too close to other transmitters, their signals will interfere with each other and cause it to stop working. This can be caused by nearby towers and radio masts, TV and mobile phone antennas and even household appliances. If you suspect this is the cause Try moving your keyfob away from any source to test if it works again. It is also important to ensure whether the key fob's metallic retaining clips are tight and not damaged or loose. They hold the battery and complete the circuit. If they're damaged or broken the battery won't be able to get power and the remote will not work. To avoid damaging the keyfob, you should also replace the old battery with a new one that is the same voltage and same size. Another reason why the key fob won't work could be because the key fob was exposed to salt or water. If your keyfob is submerged, you should remove the battery to clean the chip with isopropyl or electronic cleaner. It's also crucial to make sure the chip is dry prior to reinstalling it in the key fob. While it is always frustrating when your key fob stops working it is important to remember that it's not the end of the world and that you are still able to make use of your vehicle. In fact it's a good idea carry an extra key fob with you in case of emergency. Signal Interference Signal interference from other sources can cause your key fob to malfunction. It's not always caused by the battery. This could be caused by radio transmissions coming from nearby vehicles, wireless devices or even key fobs. A scan tool for OBDII will help you determine the issue and determine what you should do to fix it. skoda locked keys in car can be a major pain if your car key fob doesn't work. Fortunately, the majority of these issues are simple to fix and diagnose. In some cases it is possible that a new keyfob will be required. The coin battery is the most frequent cause of the key fob not working. Although it is possible to recharge the battery, it's usually more economical to replace it. It is also important to ensure that the new battery is a proper fit. It is crucial to purchase the button cell battery that has the same size and voltage of your original battery. If you use a battery that isn't the proper size, it could damage the inside of your key fob. Other reasons that your key fob might not function could be due to damaged buttons, water damage, or a bad connection. It is a good idea to have a spare key fob to test if the key fob functions. If it does, this can suggest that the issue is confined to the fob that you use and not the car itself. If it doesn't, this could indicate the presence of a more serious issue.