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Keys Replacement For Cars If you have a standard mechanical key, you should be able to get a replacement at any hardware store for relatively affordable. This key will need to be programmed either by a locksmith or a dealer. Smart keys are more complex and require a visit to the dealer to connect them to your vehicle. These types of keys are usually expensive, but some car insurance companies cover the cost. Mechanical Keys There are still car keys that are solely mechanical, like the ones you put into an ignition lock cylinder and then turn to start your car. If your car is equipped with one of these, replacing the fob and key is fairly inexpensive (if they get lost or stolen). A locksmith can make you a new basic key for less than what you purchase from a dealership. You can also ask a neighbor or friend who is able to program transponder keys for aftermarket use (which are cheaper than the keys that are factory-made) to make you a spare key and then program it. It is important to have a spare key because modern cars will not start in the event that the key does have the right chip. Transponder keys look a lot like mechanical keys, but they are actually equipped with an electronic chip in the base of their plastic design that communicates with the computer system in your vehicle. Your vehicle will recognize the code contained in the chip and accept it, however it will refuse to start if a different code is used. If the spare key you have has chips, it will need to be programmed at a dealership. You'll need a specific machine to cut the key and program it. These machines are only available at certain dealerships, and it's not likely that a locksmith has the equipment required to create an engraved key using a laser transponder. It's expensive to replace keys with remotes, especially if require a spare. If you have only the shank of your key missing and an operational replacement fob, you can attempt to reprogramme your fob on your own. However, it could be time-consuming and difficult. If you've lost the complete fob and key however, a dealer is the best option. Other kinds of car keys require more specific skills to replace. These include flip keys as well as smart keys. They're more complicated and need to be replaced by the dealer. Some key fobs are operated by a proximity sensor or a door opener with a spring loaded mechanism. Transponder Keys If your car is built in the past 10 years or so, you're likely to use transponder keys. These keys contain a microchip and an electronic receiver that is programmed to send a signal to start your vehicle. Transponder keys are a fantastic way to stop theft because they require two parts for the car to be started which is the transmitter (transponder) in the key and the receiver connected to your immobilizer system. The car will not start without both the key and the immobilizer system. These key chips have an individual serial number specific to your vehicle. When the key is inserted into the ignition the serial number is sent to the cars immobilizer and then verified to make sure it matches up and allows the engine to start. The only thing that can be a hindrance to this security feature is a device that is able to read the chip and match it with another vehicle. You'll have to find a locksmith that has the equipment to reprogram your key. Some car dealerships provide this service too, but they are generally more expensive than an independent locksmith because of their expenses. It can be difficult to obtain an entirely new key that has a chip. The key must first be cut on a specific machine in order to have the proper tracks that can then be programmed to assign the key to your car. It requires specialized software as well as the appropriate key cutter to do the job properly. Some of the simpler chip keys can be cloned at the majority of auto parts stores, but you need to know the serial number of the original key to ensure that the correct information is encoded into the new key. Many people make a mistake by going to their dealer in search of an exact copy of a chip key and end up paying inflated costs. Laser-Cut Keys Laser-cut keys are also referred as a sidewinder keys due to the distinctive winding cut on the key shank. They add an additional layer of security to your vehicle. Keys like these are a great security measure against theft of your vehicle because they require specialized machinery to duplicate. Like transponder keys, they feature built-in chips that block unauthorized key copies from opening your vehicle. They also typically have a unique code on the key, which needs to be programmed for your specific vehicle in order to unlock and start it. This extra layer of security is an excellent option to protect your investment and deter thieves who might be trying to steal your vehicle to make parts or sell it to. In terms of design laser-cut keys are different from standard mechanical cut keys due to having fewer carved-out grooves on the key. automotive car key replacement of the key is thicker, which is another indication that this isn't a standard car key. Locksmiths typically employ a machine known as milling tool to cut these types of keys. This type of machine looks similar to a drill bit and is designed to cut metal with extremely precise, controlled angles. These are the safest keys that you can purchase for your vehicle. They are difficult to duplicate and can only be done be cut by a licensed locksmith or dealer. They're not created using traditional keys. Instead, they're made from a small piece steel that is shaped to form a code in the factory, and then cut using the laser. This kind of key can withstand a lot wear and tear and is among the best choices for protecting your vehicle. The key can be folded into the fob, or be released by pressing a button. These types of keys are used extensively in German cars and offer an additional layer of security against car thieves. The cylinder is tough and difficult to break into, making it extremely difficult for thieves to pick or pick-lock the vehicle. Smart Keys Smart keys communicate with the vehicle by using radio-frequency identification (RFID) instead of the traditional single piece of carved metal. This means they come with tiny chips that contain an encrypted code that is unique to each key. When you open your car's doors or open the trunk, the key transmits a signal to your vehicle's computer onboard. The computer then triggers the correct frequency which allows you to open your car and begin it. The chip inside the smart key is equipped with several security features that protect it from theft. The key emits a low-frequency signal, which can only be detected by your vehicle. If the computer onboard detects this signal it will send another one that is an exclusive code that only your car is able to understand. This prevents a tech-savvy criminal from using an external generator to “fool” the system and make the key work for other vehicles. Certain smart keys come with special features, such as storing driver preferences remote opening windows, opening the sunroof from afar and many more. These are accomplished by activating the key fob's proximity sensor or pressing a button on the key or, in certain instances, twisting a small metal piece inside the key. The majority of these key fobs feature buttons that open the doors for themselves However, some key fobs have an additional way to open them by a slot or placing the dead key close to an area on the dashboard, where it houses an inductive coil which can transfer energy. Some even come with an emergency (fully mechanical) key blade that is hidden inside the key to enable this. Replacing a smart lock typically requires a visit the dealership, who will either have the replacement on hand or order it for you. The dealer will also have to program your new key so that it recognizes your vehicle. You can also go to an locksmith to get your replacement key fob to be programmed and then replaced. A locksmith might charge more than a dealer, but they'll be able to finish the job faster and for less.