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Keys Replacement For Cars If you own a basic mechanical key, you should be able to get a replacement at any hardware store for relatively affordable. However, this key will need to be programmed by a locksmith or dealer. Smart keys are more complicated and require a visit to the dealer for the keys to be paired with your vehicle. They are costly however, many insurance companies will pay for the cost. Mechanical Keys You can still buy mechanical car keys, the ones that you put into an ignition lock for your vehicle to start. If your vehicle is equipped with one of these, it's relatively cheap to replace the fob and key (if lost or stolen). A locksmith can make the basic key for you at a less cost than what you'd pay in a dealership. You can also ask a neighbour or a friend who knows how to program transponder keys (which are less expensive than keys made by the factory) to cut you a spare and program it. It is essential to have a spare key since modern cars will not start when the key does not have the right chip. Transponder keys look a lot like mechanical keys, however they are actually equipped with an electronic chip in the base of their plastic design that communicates with your car's computer system. Your car will recognize the code in the chip, but will not start if you use another code. If your spare key is equipped with a chip, you'll need to bring it to a dealer to have it programmed. The dealership will require an exclusive machine for cutting and programming the key. These machines are only available through certain dealerships, and it's not likely that a locksmith has the equipment required to create an engraved key using a laser transponder. Keys with remotes are expensive to replace, particularly if you need an extra. If you have only the shank of your key missing and a functioning replacement fob you could try reprogramming your fob on your own. However, it could be time-consuming and difficult. You're better off contacting an authorized dealer when you've lost the fob and the key. There are other kinds of car keys that require a specialized set of skills to replace, such as flip keys and smart keys. auto key replacement are more complex and require replacement by a dealer. Key fobs can be operated by proximity sensors or a door opener with a spring loaded mechanism. Transponder Keys Transponder keys will likely be used in cars built within the past 10 years. These keys have a microchip within the key and an internal receiver in your car that are both programmed to communicate with each other in order to start the car. Transponder keys are an excellent way to discourage theft because they require two parts in order for the car to start – the transmitter (transponder) in the key and the receiver connected to your immobilizer system. Without both the key and the immobilizer system being in place, the car won't start and it is not possible to hotwire. These key chips are programmed with a unique serial number that is unique to your vehicle. The serial number of the key is sent to the immobilizer of the car, and then checked to be in line. If it does, the engine will start. The only thing that could be a hindrance to this security feature is a special device that is able to read the chip and match it to another vehicle. When you get a transponder-related key replaced you'll need to go to an authorized locksmith who has the tools needed to reprogram the key to your vehicle. Some car dealerships provide this service, however they are typically more expensive than a private locksmith because of their expenses. It isn't easy to find an entirely new key that has chip. To program your car, the key has to be programmed on a specific machine. It requires specialized software and the correct key cutter to do the job properly. Certain of the more basic 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 that the proper information is being transferred to the new key. Many people make the mistake of visiting a dealer to get a chip key copied, and end up paying more than they need to. Laser-Cut Keys Laser-cut keys are also referred as sidewinder key because of the distinctive winding cut on the shank of the key. They provide an additional layer of security to your vehicle. Because it requires specialized equipment to duplicate these keys, they're a fantastic deterrent against auto-theft. They also have built-in chips to stop unauthorised key copying from launching your car. They also typically contain a unique code the key that must be programmed for your specific vehicle in order to unlock and start it. This additional layer of security is a fantastic method to safeguard your investment and deter thieves who may be trying to steal your vehicle for parts or sell it to. Keys cut with lasers 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 an excellent indication that it's not your typical car key. Locksmiths generally employ a machine known as a milling tool to cut these types of keys. This type of machine looks much like a drill bit and is designed to cut metal at extremely precise and controlled angles. These are some of the most secure keys you can buy for your car, as they're very hard to replicate and only cut by a dealer or a licensed locksmith. Unlike traditional keys, they're constructed from a tiny piece of steel that is cut into a shape and then cut using a laser at the factory. This kind of key is able to withstand a lot wear and tear and is among the best options to protect your vehicle. Depending on the key, it will either fold into the fob or be released by pressing a button. Keys like this are typically used in German cars and offer an additional layer of protection against car thieves. The cylinder is also very tough and difficult to break into, making it extremely difficult for thieves to pick or pick-lock the car. Smart Keys Contrary to the conventional single piece of carved metal smart keys use radio-frequency identification, or RFID, to communicate with the car. They come with a chip with a unique code, which is encoded on every key. The key sends a message to the onboard computer in your vehicle every time you open the doors or open the trunk. The computer then signals the right frequency and allows you to connect to your car and start it. The chip of the smart key includes a variety of security features that guard against theft. The key emits a low-frequency signal, which will only be detected by your car. If the computer onboard detects this signal, it will transmit a different one which is unique and only your car can understand. This stops a cyber-savvy criminal from using an external generator to “fool” the system and perform the work for other vehicles. In addition to locking and starting the car, certain smart keys also have additional functions like storing specific driver preferences remotely opening windows, the sunroof, and many more. This can be accomplished by activating the key fob's proximity sensor by pressing a button on the key itself, or, in some instances, twisting a small metal piece inside the key. Some key fobs can be opened by holding the dead key in a slot, or by placing it next to an inductive coil on the dashboard. Some even have an emergency (fully mechanical) key blade concealed in the key to activate this. Replace a smart key requires visiting a dealer, who will either request the replacement or have it on hand. The dealer will also have to program your new key to recognize your car. You can go to a locksmith shop to have your replacement key fob programmed and replaced. A locksmith may cost more than the dealer, but they'll likely be able to finish the job more quickly and at a lower cost.