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How to Repair a Dead Car Key Sometimes extreme cold or heat can cause a car key to stop functioning properly. Take a moment before replacing it. When your car keys break, it's a real problem. It always occurs at the worst moment! You can fix a broken key without the need to purchase a new one. Dead Key Fob Batteries Modern key fobs let us to open trunks, doors and tailgates, without having to search for a physical key. Some key fobs have an inbuilt key that can be used to start our cars. However, these key fobs are dependent on a small battery that powers their remote functions. If the battery fails, then the key fob will not be able to transmit the signal needed to turn on the vehicle. There are several methods to fix a dead vehicle key fob. First, check if the key fob is actually dead. If it appears to be, you'll require a replacement battery. You can do this yourself by removing the key fob from its clip or using a small flat head screwdriver to remove it. Be cautious not to apply too much pressure or you may end up damaging the fob. It is also important to ensure that you're using the correct type of battery. Some models might require a different type of battery. You can find out what kind of battery your vehicle requires by consulting the owner's manual, or you can go to an Interstate All Battery Center and ask a specialist to assist you. If the key fob actually isn't dead, you may be able to revive it by moving it closer to your vehicle. Since the majority of key fobs are RFID (radio-frequency identification) they only function at a limited distance and need to be close enough for the ignition system to detect the signal. You can unlock your car, or even start it if you move a few inches nearer. Many car manufacturers have backup systems that is activated when the battery of the key fob is low. Ford, for example has a slot which is devoted to the key fob. If it is properly inserted the key fob will start the car's engine. Go through the owner's manual to find details on how to locate this slot and how to insert the key fob. If you're not able to start the car using this method, you should contact roadside assistance. Broken Key Ring The chip in the key fob is the one that communicates with your car's immobilizer system in order to start the engine. This chip can be damaged or there could be programming mistakes. If this happens your key fob will not be able to send the correct identification code and your car won't start. A malfunctioning transponder could be caused by physical damage to the key shell or wear and wear on the contact pads. There are a lot of warning indicators on your dashboard when a keyfob has trouble communicating with the immobilizer system of your vehicle. This could include error messages, a flashing light or the key not locking or unlocking the vehicle. If you see these warnings, contact your local locksmith immediately to request a replacement key fob or repair. When you carry many keys, it's easy to damage the key ring. This can cause the key fob to split in half, which is one of the most frequent causes of broken car keys. If this happens, attempt to use super glue to fix the issue by applying a small amount the glue on both sides of the break and then gently pressing them together. Use a gel-type of glue that is slow drying so that you don't risk drips or runniness. If this method does not work, you need to contact a professional locksmith right away to avoid further damage to your car. key repair car qualified locksmith will be able to replace or repair your key fob quickly and will also be able to ensure that the ignition lock as well as the door lock do not get damaged in the process. When your key fob is damaged it can be frustrating and uninviable. It's not cause to be in a state of panic or anger. You can take proactive steps to decrease the possibility of your key fob failing in the future. These include regular maintenance, key protectors and keeping an extra. If you do encounter problems with your key fob the team at Quicksmith is here to assist you! Broken Key Loop One of my MK5 keyfobs has broken off the little key loop on top of the loop where it joins the keyfob. It's made of plastic or soft metal. I've made a hole, then wet-sanded the area to make it more durable. But I'm guessing that's not helping. I've also tried wrapping the broken the ring using clear tape, but that didn't seem to be any better. This is a pity, as I use the tiny split rings to keep my keys in the right place. If the key fob case is damaged it is usually possible to open up the case and replace the battery (assuming the battery isn't dead). Online kits are available, but they only provide an interim solution. It may be quicker to have it repaired by a professional. You can also purchase the new case at a locksmith or home improvement store. They are not likely to be as costly as an entirely new key fob.