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Keys Replacement For Cars You can purchase a replacement key for a mechanical key at any hardware shop. However, this key must be programmed by a locksmith or dealership. Smart keys are more complicated and require a visit to a dealer to pair them with your car. These kinds of keys can be costly however some insurance companies cover the cost. Mechanical Keys You can still purchase car keys that are only mechanical, like the ones you insert into an ignition lock cylinder, and turn to start your vehicle. If your car has one of these, replacing the fob and key is fairly inexpensive (if they get lost or stolen). A locksmith can design an original key for less than you would buy from a dealer. You can also ask a neighbor or friend who is able to program transponder keys aftermarket (which are cheaper than the keys that are factory-made) to make you a spare key and then program it. A spare key is crucial because modern cars won't begin if a key without the correct chip is used. Transponder keys look a lot like mechanical keys, but they contain a hidden electronic chip in the base of their plastic design that communicates with your car's computer system. Your car will be able to recognize the code inside the chip and accept it, however it will not start if another code is utilized. If the spare key you have has chip, you'll need to take it to a dealership to get it programmed. The dealership will need an exclusive machine for cutting and programming the key. These machines are only available at certain dealerships, and it's not likely that a locksmith has the equipment needed to create a laser-cut key with a transponder. Keys with remotes cost a lot to replace, particularly in the event that you need an extra. You could try reprogramming your fob on your own if you're just missing the key shank and have a functional replacement fob, but it could be time-consuming and laborious. You're better off contacting an authorized dealer in the event that you've lost both the fob and the key. Other types of keys for cars require specific skills to replace. These include flip keys and smart keys. They're more complicated and require replacement by a dealer. Some key fobs feature an electronic key that folds into the enclosure and opens doors, or they're operated with the use of a proximity sensor to open and start your vehicle. Transponder Keys If your car is built in the past 10 years or so, it's likely to use transponder keys. The keys are equipped with the microchip as well as a receiver that is programmed to send a signal to start your vehicle. Transponder keys are an effective method of preventing theft, as they require two parts to start a car – the transmitter inside the key and the receiver that is connected to the immobilizer. Without both the key and the immobilizer system being present, the car will not start and it is not possible to connect hotwire. The key chips are programmed with a unique serial number that is unique to the vehicle you own. The serial number of the key is sent to the immobilizer in the car, and then checked to match. If it does the engine starts, it will. The only thing that can stop this security feature is a special device that can detect the chip and match it with another vehicle. When you get a transponder key replacement, you'll need to visit an locksmith with the necessary equipment to reprogram the key to your car. Some car dealerships offer this service as well but they are generally more expensive than an independent locksmith due to their costs. It can be difficult to get a new key with a chip. The key has to be cut using a particular machine to get the proper tracks that can be used to program the key to your car. It requires specialized software and the correct key cutter to do it properly. Some of the simpler chip keys can be copied at a variety of auto parts stores but you must know the serial number of the original key to ensure the correct information is transferred to 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 need to. Laser-Cut Keys Laser-cut keys, referred to as sidewinder keys due their distinctive winding cuts in the key shank provide an additional layer of security to your vehicle. They are a fantastic protection against auto theft since they require specialized machinery to duplicate. Like transponder keys, they feature embedded chips that stop unauthorised copies of keys from opening your car. They also contain a unique code the key, which needs to be programmed for your specific vehicle in order to unlock it and start it. This extra layer of security is an excellent method to safeguard your investment and deter thieves who could be trying to steal your car to make parts or sell it. Laser-cut keys differ slightly from mechanically-cut keys in terms of design. They have fewer grooves carved out on the key. They also have a more robust key shaft that is an indication that it's not your typical car key. Locksmiths usually use milling machines to cut keys. This type of machine looks much like a drill bit and is designed to remove metal with extremely precise, controlled angles. These are some of the most secure keys you can buy for your vehicle, since they're very hard to replicate and can only be cut by a dealer or a licensed locksmith. They're not created using traditional keys. Instead, they're constructed from a small piece of steel that is cut to a code at the factory before being cut with laser. key replacement car of key can 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 be removed by pressing the button. These keys are used in German automobiles, and offer an extra layer of protection against car thieves. The cylinder is resistant to breaking into, which makes it difficult for a thief pick or pick-lock a vehicle. Smart Keys Keys Smart keys communicate with the vehicle using radio-frequency identification (RFID) instead of the traditional single piece of carved metal. This means they come with a tiny chip that contains an encrypted code that is unique to each key. When you open your car doors or pop the trunk key, it sends a signal to the vehicle's computer onboard. The computer then will prompt the appropriate frequency to allow you to start your vehicle. The chip of the smart key includes a variety of security features that guard against theft. The key emits a low-frequency signal, which can only be detected by your car. If the computer onboard detects this signal, it will trigger a different one that is an exclusive sequence that only your vehicle will understand. This stops a cyber-savvy criminal from using an external pulse generator to “fool” the system and create the key function for other vehicles. Some smart keys have specific features, like storing driver preferences and opening windows remotely, or the sunroof via remote and many more. These functions can be accessed by activating the proximity sensor on the key fob, pressing a button or, in some instances you can do this by twisting a small piece of metal inside the key. Certain key fobs can be opened by holding the dead key in a slot, or by placing it in proximity to an inductive coil on the dashboard. Some key fobs feature mechanical (fully emergency) key blade inside the key. To replace a smart key, you'll need a trip to the dealer, who can either request the replacement or have it in stock. The dealer will also need to program your new key so that it recognizes your car. You can also go to a locksmith for your replacement key fob to be programmed and then replaced. A locksmith might cost more than the dealer, but they'll be able to do the job quicker and less expensively.