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Keys Replacement For Cars If you have a basic mechanical key, you should be able to find a replacement at any hardware store for cheap. However, this key must be programmed by a locksmith or dealer. Smart keys are more complicated and require a visit to a dealer to pair them with your vehicle. These kinds of keys are usually expensive however some insurance companies cover the cost. Mechanical Keys You can still buy mechanical keys for cars which you put into the ignition lock cylinder to start your vehicle. If your car has one of these, replacing the fob and key is relatively cheap (if they are lost or stolen). A locksmith can create a basic key for you at a lower price than you would pay in a dealership. You could also ask a neighbor or friend who is able to program transponder keys for aftermarket use (which are cheaper than the factory keys) to cut you a spare and have it programmed. Getting a spare is important because modern cars won't begin when a key that isn't programmed with the proper chip is used. Transponder keys are similar to mechanical keys but contain an electronic chip inside the base. This chip communicates with the computer system in your car. The car will accept the code in the chip, but will not start if you try to use another code. If your spare key has chips, it will need to be programmed at a dealership. They'll require an equipment that can cut the key and then program it. These machines are only available at specific dealerships, and it is unlikely that a locksmith will have the tools needed to create a key that has transponder. It is expensive to replace keys with remotes, particularly if you require a spare. If you have only the key shank missing and a working replacement fob, you can attempt to reprogramme your fob by yourself. However, it can be time-consuming and challenging. If you've lost the complete fob and key however it's best to contact a dealer as the best option. There are different kinds of keys for cars that require a specialized set of skills to replace, for example flip keys and smart keys. These are more complex and usually have to be replaced at the dealership. Key fobs can be operated by proximity sensors or a door opener that is spring-loaded. Transponder Keys Transponder keys are likely to be used in vehicles built within the last 10 years. These keys are equipped with a microchip in the key and the car's receiver that both have been programmed to communicate with each other in order to start the vehicle. Transponder keys are a fantastic way to stop theft because they require two parts for the car to be started that is the transmitter (transponder) inside the key and the receiver connected to your immobilizer system. The car won't start without the key and immobilizer system. The key chips are programmed with a serial number that is unique to the vehicle you own. When vehicle key replacement is inserted into the ignition the serial number is then sent to the cars immobilizer and checked to ensure that it is compatible the number, which 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 to another vehicle. You'll require a locksmith that has the equipment to reprogram your key. Some car dealerships offer this service too, but they are generally more expensive than an independent locksmith because of their expenses. It isn't easy to get an entirely new key that has chip. The key has to be cut using a particular 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 right key cutter to do it correctly. Many auto parts stores are able to duplicate some of the more basic keys for chips, but you'll need to know the serial number of the original key to ensure that the correct information is encoded into the key. Many people make the mistake of going to their dealer in search of the clone of a chip key and end up paying inflated prices. Laser-Cut Keys Laser-cut keys are also known as a sidewinder keys due to the distinctive winding cut on the key shank. They add an extra layer of security to your vehicle. Because it requires specialized equipment to duplicate these keys, they're a great protection against auto theft. They also come with built-in chips that prevent unauthorised key copying from launching your vehicle. They have a unique number that needs to be programmed into your car to unlock it and start it. This additional layer of security is a fantastic method to safeguard your investment and deter thieves who could be trying to steal your vehicle to make parts or sell it on. Laser-cut keys differ slightly from mechanically-cut keys in terms of design. They have fewer grooves cut on the key. They also have a more robust key shaft, which is a good indication that it's not your regular car key. Locksmiths typically use a milling machine to cut these keys. It's akin to a drill bit, and it's designed to cut metal with precise angles. These are some of the most secure keys you can purchase for your vehicle, since they're extremely difficult to duplicate and can only be cut by the dealer or a licensed locksmith. They're not like traditional keys. They're constructed from a tiny piece of steel that's cut into a shape and then cut using a laser in the factory. This kind of key can be able to withstand a great deal of wear and tear and is among the best options to protect your vehicle. The key can be folded into the fob, or it can be released by pressing the button. Keys like these are commonly used in German cars, and provide an additional layer of protection against car thieves. They also make it extremely difficult for thieves to pick or pick-lock your vehicle, as the cylinder is extremely rugged and difficult to break into. Smart Keys Keys Smart keys communicate with the vehicle by using radio-frequency identification (RFID) instead of the traditional single piece 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, the key transmits a signal to your vehicle's onboard computer. The computer then prompts the right frequency which allows you to open your car and begin it. The chip of the smart key has a number of security features that protect against theft. First, the key emits a low-frequency signal that isn't picked up by any receiver but your vehicle. If the computer onboard detects this signal it will send another one that is unique and only your vehicle can comprehend. This prevents a tech savvy criminal from using an electronic pulse generator to “fool the system” and do the key work on other vehicles. Some smart keys have special features, like storing driver preferences remote opening windows, opening the sunroof from afar and many other. These functions 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. Most of these key fobs come with 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 in the dashboard, where it is able to hold an inductive coil that can transfer energy. Some even include an emergency (fully mechanical) key blade concealed in the key to enable this. Replacing a smart lock requires 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 vehicle. You can also go to an locksmith to get your replacement key fob to be programmed and replaced. A locksmith will charge more than a dealer but they will complete the task faster and at a lower cost.