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How to Repair a Dead Car Key Sometimes extreme heat or cold can cause the car key to stop working properly. You should wait a while before spending money to replace it. It's quite a hassle when keys to your car fail and they happen at the most inconvenient times! You can fix a broken key without the need to purchase another one. Dead Key Fob Batteries Modern key fobs let us open trunks, doors, and tailgates without the need to search for a physical car key. Some key fobs even have an inbuilt key that can be used to start cars. The fobs are powered by a small battery. If the battery fails then the key fob cannot transmit the signal to activate the vehicle. There are many methods to repair a dead car key fob. First, try to find out if your key fob is actually dead. If it seems to be, then you'll have to replace the battery. You can do this yourself by taking the key fob off its clip or using a small flat-head screwdriver to break it. It is important not to apply too much force or you may damage the fob. It is also essential to make sure that you replace the correct battery type. Most key fobs are CR2032 3-Volt batteries, but certain models may require a different type. You can determine what kind of battery your car requires in the owner's manual, or you can go to an Interstate All Battery Center and get a specialist in battery care to assist you. If the key fob isn't actually dead, you can revive it by moving it closer to your car. Since the majority of key fobs use RFID (radio-frequency identification) they can only operate for a short time and need to be within a certain distance for the ignition system to detect the signal. You can unlock your car, or even start it if you move a few inches closer. Many car manufacturers have backup mechanisms that can be activated when the battery of the key fob is dead. For instance, many Ford models have a separate slot for the key fob which will activate the engine when it is properly inserted. There are instructions in the owner's manual on how to locate this slot and insert the key fob correctly. If you are unable start your car using this method, make sure to contact roadside assistance for assistance. Broken Key Ring The chip inside the key fob is what communicates with your car's immobilizer system to start the engine. The chip could be damaged or there might be programming errors. If this happens your key fob will not be able to send the correct identification code, and your car won't begin. A faulty transponder can be caused by physical damage to the key shell or wear and wear on the contact pads. Usually when the key fob begins to fail to communicate with the vehicle's immobilizer system there will be specific warning indicators on your dashboard. These include errors flashing lights, or the key not locking the vehicle. If you are noticing these warnings contact your local locksmith immediately to request a replacement key fob or repair. It's easy to cause damage to the ring of your keys by applying too excessive pressure on it, especially when carrying a lot of keys. This can cause the fob to crack in half. This is among the main causes of broken car keys. You can use super glue on both sides of the crack and gently press them together to repair the issue. Make sure to use a gel type of glue that dries slowly to prevent drips or runniness. If this method isn't working, you should contact a professional locksmith immediately in order to avoid further damage to your vehicle. car key fob repair near me qualified locksmith will be able to replace or repair your key fob quickly and will also be able to make sure that the ignition lock and door lock aren't affected during the process. It can be a bit frustrating when your key fob is damaged. However, what google did to me is not cause to panic or be angry. Instead, you can take proactive measures to reduce the risk of your key fob rupturing again in the future. This includes regular maintenance by using key protectors and keeping an extra key. Quicksmith's team is ready to help you if your key fob fails. Broken Key Loop One of my MK5 keysfobs broke off the small key ring at the top, which is where it connects to the keyfob. It's made of soft metal or plastic. I've drilled a hole, and then wet-sanded the area to strengthen it but I'm guessing the problem isn't helped by this. I've also tried to wrap the broken ring with clear tape but that didn't seem much better. 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 damaged, you could often open it up and replace the battery if the battery isn't already dead. There are online kits available, but they only provide a temporary solution. It's better to have it repaired by a mechanic. You can also locate the new case at the locksmith or home improvement store. They're not likely to be as expensive as an entirely new key fob.