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How to Repair a Dead Car Key Extreme heat or cold can sometimes cause a car to stop working. You should wait a while before spending money to replace it. If your car keys get damaged, it's a real trouble. And keys repair occurs at the most inconvenient moment! There are a few ways to repair broken car keys that won't require an entirely new one. Dead Key Fob Batteries Modern key fobs let us to open trunks, doors and tailgates without having search to find a physical key. Some key fobs have an inbuilt key that can be used to start cars. However, these key fobs depend on a small battery that provides power to their remote functions. If the battery is dead and the key fob stops working, it cannot transmit a signal that can trigger the vehicle. There are many ways to repair a dead car key fob. The first step is to determine if your key fob is dead. If it appears to be, you'll require a replacement battery. You can do this yourself by removing the fob from its clip, or using an screwdriver with a flat-head. You should not use too much force or it could cause damage to the fob. It is also essential to make sure that you replace the correct type of battery. Certain models might require a different type of battery. If you're not sure which kind of battery your car needs it is possible to find the information in the owner's manual, or visit an Interstate All Battery Center to get a professional to assist you. If the key fob isn't dead, you may be able to revive it by moving closer to your vehicle. The majority of key fobs employ RFID (radio frequency identification), which only works within a narrow distance. The ignition system needs to be able to recognize the signal. You can unlock your car or even start it by moving a few inches closer. Many car manufacturers have a backup mechanism that can be triggered when the battery of the key fob is dead. For instance, many Ford models have a separate slot for the key fob that will start the engine when it is properly inserted. There are instructions in your owner's guide on how to locate the slot and insert the key fob correctly. If you're unable to start your car with this method, be sure to get assistance from roadside assistance. Broken Key Ring The internal chip in the key fob is what transmits to your car's immobilizer to allow it to start the motor. If the chip is damaged or there are programming errors, the key fob will not be able send the correct identification code and your car won't start. In certain instances the problem with a defective transponder key can be caused by physical damage or wear and tear on the key shell or contact pads. You will often see warning signs on your dashboard if 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 are noticing any of these signs, you should contact your local locksmith immediately to repair your key fob or replacement. When you carry many keys, it is easy to break the key ring. This could cause the fob to crack in half. This is among the main causes of broken car keys. If this happens, you can attempt to use super glue to fix it by applying a small amount the glue on both sides of the split and then gently pressing them together. Make sure to use a gel type of glue that drys slowly to prevent drips or runniness. If this method isn't working, you should contact a professional locksmith immediately to prevent further damage to your vehicle. A qualified locksmith can replace or repair your key fob in a short time and will be able to ensure that the ignition lock as well as the door lock are not affected in the process. It can be frustrating when your key fob is damaged. But, it's not a reason to panic or get annoyed. Instead you can take proactive measures to decrease the risk of your key fob rupturing again in the future, including regular maintenance by using key protectors and having an extra key. If you do encounter an issue with your key fob, Quicksmith's team Quicksmith is available to assist! Broken Key Loop One of my MK5 keyfobs has broken off the little key loop at the top of the loop where it joins the keyfob. It's made of plastic or metal that is soft. I've drilled the hole and wet-sanded the surface to make it stronger. However, I'm sure that's not helping. I've also tried to wrap the broken the ring with clear tape, but that didn't seem as good. It's a shame, because I use the tiny split ring to keep my keys in the right place. If the key fob's case is broken, you can usually open it and replace the battery, if it isn't already dead. There are online kits available, but they only provide a temporary solution. It may be quicker to have it repaired by a mechanic. You may also find a replacement case at the home improvement store or locksmith. They're not likely to be as costly as the new key fob.