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Vehicle Key Repairs You Shouldn't Do Yourself It can be a major discomfort when the car keys stop working. This can happen due to a variety of reasons. The positive side is that the majority of keys to vehicles can be repaired without having to visit a dealership or paying for locksmith. Here are a few common issues and their simple fixes. Keys Lost or Broken You want your vehicle to run quickly after a major break. DIY repairs could exacerbate the issue. If the key has broken inside the ignition cylinder, you should not try to force it out, as this could damage the lock and ignition. Contact a local locksmith instead. They'll have the appropriate tools for removing your broken key without further damage. If you'd like to tackle it yourself, put needle-nosed pliers inside the cylinder and grab the broken piece. If this isn't working then try using a jigsaw blade with downward-facing teeth that can latch onto and remove the broken key. Don't attempt to insert anything else into the cylinder, since doing so can push the key even further in and make it even more difficult to retrieve. Another reason why your vehicle's key won't start is that the battery is dead. It is easy to replace the lithium-ion button or coin cell batteries in many models. You can purchase replacement batteries at supermarkets, pharmacies and home improvement shops. If your fob is damaged or missing, you can bring it to an experienced mechanic who will replace the battery and program a new key. If your key fob is a high-tech one that has been damaged or lost, you will likely need to visit the dealer to get a replacement. In contrast to traditional mechanical keys, these models must be programmed to the vehicle by the manufacturer. In these situations it is recommended to get a professional to design duplicate keys. They will make the appropriate cuts and reassemble the mechanism and transfer the transponder chip of your old key to the new one. You will need to go to the dealer to get a replacement if your car key is a high-tech model that has a display. This is because high-tech keys must be reprogrammed to the car's security system by the manufacturer. Most dealers have the equipment for this job on-site. They can also cut keys that are new so you don't need to wait for a new one to be delivered. Dead Batteries Batteries are a vital component of any gadget or device, and they can degrade quickly due to prolonged use or lack of charging. It is crucial to act fast in the event that your car's key fob is showing signs of a dying or dead battery. A dead battery typically indicates that the key fob's functions aren't responding to press-button presses, and electrical components, like a vehicle's starter may not be responsive to jump-starting efforts. The battery inside the car key is usually a coin-sized unit that can be replaced at home, or by a professional locksmith. Before replacing a battery be sure to know which type of battery is used by the vehicle. You can often find the details on the battery in the documentation of your vehicle. Making a mistake with the replacement could cause your key fob to malfunction or stop working in any way, requiring costly repairs or a whole new purchase. A dead battery is identified by a slow response when pressing key fob buttons, or by intermittent functionality and dimming key fob lights. A battery that displays no voltage on a voltmeter may be likely to be dead. Damage to the battery's enclosure could be a sign of irreparable damage inside the. You can easily replace the battery of the car key fob at home by loosening the screw in the back of the fob with a screwdriver and sliding it open to reveal the battery compartment. The old battery can be removed with the flat-tipped screwdriver, and a new one inserted in the same location. Once you're done, snap the 2 halves of the fob back together and test it to see if the key works correctly. Keep the screw that holds the key fob battery in place. It is best to store it in a safe place when you will not use it for a while. Certain models of vehicles come with special screws that must be removed in order to access the key fob's battery. If this is the case for your vehicle, refer to your owner's manual or an online video tutorial to determine the best method to remove it safely. Transponder Chip The majority of modern car keys come with transponders (also called a “chipped-key”). This is to prevent hot wiring of vehicles. When you put your transponder key in the ignition an antenna (which is really just an induction coil) transmits a radio signal with an individual code to the chip in the head of the key. The computer in the car confirms that you are the correct owner, and then allows the engine to start. This is an effective method of preventing your vehicle from being stolen and adds another layer of security. One of the most obvious signs that the chip that transponders isn't functioning correctly is having trouble starting your vehicle. If your key turns in the ignition, but the car does not start or turn over it could mean that the chip isn't communicating with the car's system correctly. Transponders require electronic power to function This power is provided by a small internal battery. In time, that battery will run out of charge and stop providing the power needed to allow your car to start. It is essential to check your transponder key by a professional if it isn't functioning correctly. A professional locksmith will be able to identify the issue and either replace the battery or reprogram your key so it can work correctly again. You might notice that a transponder key is more expensive than a standard metal key. This is due to the higher costs of manufacturing a chipped-key. Although this doesn't mean you shouldn't go to your dealership when getting keys however, you should look through and compare prices before selecting a company. Certain companies will offer keys replacement at a lower cost because of their lower costs of operations. However it's important to keep in mind that a cheaper key isn't always the highest quality. It's possible to be better off paying a little more for a premium key that will last longer. Programming Modern cars come with keys and fobs which do more than just unlock the doors and open the trunk. Certain models let you start your car remotely and lock the doors at the touch of a button, and secure them from physical and virtual attacks. As a result, these keys and fobs need to be programmed correctly, or they won't work. This job is typically reserved for auto technicians with experience or locksmiths, as it requires an knowledge of the car's security system as well as the use of specific tools. There are several scenarios where reprogramming a key or fob might be required. The most common is if a key is stolen or lost, or when someone buys an used car and wishes to ensure that the previous keys won't work with the new car. Certain vehicles require special tools to reprogram fobs and keys. However this isn't always the case. A battery that is depleted in a remote key fob is a different case where reprogramming might be required. Fortunately this is a simple fix as most key fobs have small clock batteries that can be replaced by cheap ones that can be found in drugstores and home improvement stores. key fob repair won't allow you to open the trunk or start the engine but it will prevent the key fob malfunctioning. Certain key fobs might need to be reprogrammed after being damaged by water, dirt or other environmental elements. This is where a professional will truly shine and assist you to get back on the road. In this case the professional will evaluate the damage to determine what type of tool to reprogram the chip is needed. They will then employ the proper tools to reprogram the key fob or transponder chip and verify that everything functions as expected. Be aware that reprogramming an electronic key or fob is a complicated procedure, and using the wrong method could cause serious problems. It's best to leave this job to a reputable auto locksmith. Learn Additional Here will not only ensure that the job is completed correctly, but it will also help you avoid costly mistakes down the road.