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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 inexpensive. However, the key must be programmed by a locksmith or dealership. Smart keys are more complicated and require a trip to the dealer to connect them to your vehicle. They are costly however many car insurance companies will cover the cost. key replacement car can still purchase mechanical keys for your car such as the ones you insert into the ignition lock for your vehicle to start. If your car uses one of these keys, it's cheap to replace the fob and key (if lost or stolen). A locksmith can design new keys for less than what you purchase from a dealership. You could also ask a neighbor or friend who knows how to program transponder keys aftermarket (which are cheaper than the factory keys) to make you a spare key and program it. A spare key is crucial because modern cars won't begin if a key without the proper chip is used. Transponder keys are similar to mechanical keys, but contain an electronic chip within the base. This chip is connected to the computer system of your vehicle. Your vehicle will recognize the code inside the chip and accept it, however it will refuse to start if any other code is utilized. If the spare key you have has chips, you'll have to take it to a dealership to have it programmed. They'll require a special machine to both cut the key and then program it. These machines are only available at certain dealerships and it is unlikely that a locksmith have the equipment necessary to make a key using a transponder. It's expensive to replace keys using remotes, especially if require a spare. Try reprogramming the fob on your own if you're just missing the shank of the key and have a functioning replacement fob, but it can be time-consuming and laborious. You're better off going to a dealer in the event that you've lost both the fob and the key. There are other kinds of keys for cars that require a more specialized set of skills to replace, such as flip keys and smart keys. They're more complicated and require replacement by the dealer. Certain key fobs come with keys that are spring-loaded and fold into the enclosure and opens a door, or they're operated with the use of a proximity sensor to open and start your vehicle. Transponder Keys Transponder keys are likely to be found in cars that were built in the past 10 years. These keys contain an embedded microchip and a receiver that is programmed to communicate with start your vehicle. Transponder keys can be an excellent method of preventing theft since they require two elements to start the car: the transmitter contained in the key and the receiver attached to the immobilizer. Without both the key and the immobilizer device in place, the car won't start and it will be impossible to connect hotwire. The key chips are programmed with a serial number that is unique to your vehicle. The serial number of the key is sent to the immobilizer inside the car and checked to be in line. If it does, the engine will start. This security feature is only defeated by a special device which can read the chip to match it with another car. You'll have to find a locksmith that has the equipment needed to reprogram your key. Some car dealerships also offer this service, but their overhead makes them more costly than an independent locksmith. The process of getting a new car keys with a chip inside it can be a very complex procedure. To program your car, the key has to be programmed on a special machine. This requires specialized software and the right key cutter in order to do it correctly. Certain of the more basic chip keys can be cloned at a variety of auto parts stores, but you need to be aware of the serial number of the original key to ensure that the proper information is being programmed into the new key. Many people make the mistake of visiting a dealer to get a chip key copied, and end in paying more than they have to. Laser-Cut Keys Laser-cut keys, also known as sidewinder keys because of their distinctive winding cuts in the key shank provide an additional layer of security to your vehicle. Because it requires specialized equipment to duplicate these keys, they're a fantastic security measure against auto theft. They also have built-in chips that prevent the copying of keys by unauthorized people from starting your car. They have a unique number that needs to be programmed into your vehicle to unlock it and begin it. This extra level of security will guard your investment and prevent thieves from attempting to steal your vehicle for parts or to resell it. In terms of their design laser-cut keys are different from conventional mechanical cut keys, as they have fewer carved-out grooves on the key. The key shaft is also larger, which is a sign that this is not a regular car key. Locksmiths typically use milling machines to cut keys. This type of machine looks similar to a drill bit and is designed to remove metal with extremely precise controlled angles. These are among the most secure keys you can buy for your car, because they're extremely difficult to duplicate and only cut by the dealer or a licensed locksmith. They're not made with traditional keys. Instead, they're constructed from a small piece of steel that is cut to form a code in the factory and then cut using a laser. This kind of key is able to endure a lot of wear and tear and is one of the best options for protecting your vehicle. The key can be folded into the fob, or it can be removed by pressing a button. Keys like these are commonly used in German cars and offer an extra layer of security against car thieves. The cylinder is also very tough and difficult to break into, making it extremely difficult for a thief pick or pick-lock the car. Smart Keys In contrast to the traditional single piece of carved metal, smart keys use RFID, or radio-frequency identification, to communicate with the car. They are equipped with a chip that has a unique code, which is encoded on each key. Whenever you unlock your car doors or pop the trunk key, it transmits a signal to your car's onboard computer. The computer then triggers the right frequency, allowing you to access your car and start it. The smart key's chip comes with a variety of security features that protect against theft. The key emits an extremely low-frequency signal, which will only be detected by your vehicle. If the computer onboard detects this signal it will transmit a different one which is a unique code that only your car can understand. This stops a tech-savvy criminal from using an electronic pulse generator to “fool the system” and make the key work on other vehicles. Certain smart keys come with specific features, like storing driver preferences remote opening windows, opening the sunroof remotely, and many more. These features can be accessed by activating the proximity sensor on the key fob by pressing a button or, in some instances, by twisting a small piece of metal inside the key. Certain key fobs can be opened by placing the dead key in a slot, or by placing it next to an inductive coil on the dashboard. Some key fobs feature mechanical (fully emergency) key blade inside the key. Replacing a smart lock typically requires a visit to the dealer, who will either have the replacement in stock or make it available for you to purchase. They'll also need to program the new key to recognize your car. You can also visit a locksmith for your replacement key fob to be programmed and replaced. A locksmith might charge more than a dealer, but they'll be able to complete the job faster and for less.