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Keys Replacement For Cars You can buy a replacement key for a mechanical key in any hardware store. However, this key will have to be programmed by a locksmith or dealer. Smart keys are more complex and require a visit to the dealer to pair them with your vehicle. These kinds of keys can be costly however some insurance companies cover the cost. Mechanical Keys There are still car keys that are purely mechanical, the kind that you put into an ignition lock cylinder, and turn to start your vehicle. If your car is equipped with one of these, replacing the key and fob is fairly inexpensive (if they are lost or stolen). A locksmith can create an entry level key for you at a less price than you would pay at a dealership. You could also ask a neighbor or friend who knows how to program transponder keys (which are cheaper than the keys that are factory-made) to make you a spare key and program it. It is essential to have a spare key since modern cars won't start when the key does not have the right chip. Transponder keys look like mechanical keys, but they contain a hidden electronic chip in the base of their plastic shape that communicates with your vehicle's computer system. Your car will accept the code in the chip, but it will not start if you try to use another code. If your spare key is equipped with chip, you'll need to bring it to a dealership to have it programmed. The dealership will require a special machine for both cutting and programming the key. These machines are only available at specific dealerships, and it's unlikely that a locksmith will have the tools needed to make a laser-cut key with a transponder. Keys with remotes are expensive to replace, especially when you require a spare. If you have just the key shank missing and a working replacement fob, you can attempt to reprogramme your fob on your own. However, it could be time-consuming and difficult. If you've lost your entire key and fob however you should seek out a dealer as the best option. Other types of keys for cars require specialized skills to replace. This includes flip keys as well as smart keys. They are more complicated and are usually replaced at the dealership. Some key fobs are operated by a proximity sensor or a door opener that is spring-loaded. Transponder Keys Transponder keys are likely to be found in cars that were constructed in the past 10 years. The keys contain a microchip in the key itself and a receiver in your car which are both programmed to communicate with each other to start the vehicle. Transponder keys are an effective method of preventing theft, as they require two elements to start the car: the transmitter contained in the key, and the receiver connected to the immobilizer. The car will not start without both the key and immobilizer system. Key chips have an unique serial number that is specific to your vehicle. When the key is inserted into the ignition, the serial number is then sent to the immobilizer of the car and then verified to make sure it matches up, it will then allow the engine to start. The only thing that could defeat this security feature is a special device that is able to detect the chip and match it to another vehicle. You'll have to find an locksmith with the equipment needed to reprogram your key. Some car dealerships offer this service too, but they are typically more expensive than a independent locksmith because of their costs. The process of getting a new car keys that has a chip in it is a complex process. The key needs to be cut on a specific machine in order to have the right tracks that can then be used to program the key to your car. It requires specialized software, as well as the appropriate key cutter to cut it properly. Some of the simpler chip keys can be cloned 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 encoded into the new key. Many people make a mistake going to their dealer for an exact copy of a chip key only to end up paying overpriced costs. Laser-Cut Keys Laser-cut keys are also known as sidewinder key because of the distinctive winding cut that is made on the shank of the key. They add an extra layer of security to your vehicle. Because it takes specialized machinery to duplicate these keys, they're a fantastic security measure against auto theft. Like transponder keys. They have built-in chips that block duplicate keys from opening your vehicle. g28carkeys come with a unique code on the key that must be programmed to your specific car in order to unlock and start it. This additional level of security will safeguard your investment and prevent thieves from attempting to steal your vehicle in exchange for parts or to resell it. 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 a regular car key. Locksmiths typically make use of a milling tool to cut these kinds of keys. This type of machine looks similar to a drill bit and is designed to cut metal at extremely precise and controlled angles. These are the safest keys you can buy for your vehicle. They are difficult to duplicate and can only be done be cut by a certified locksmith or dealer. They're not made with traditional keys. Instead, they are made from a small piece steel that is cut to a code at the factory before being cut using a laser. This type of key can withstand a lot wear and tear, and is one of the best options to protect your vehicle. Depending on the key, it could either fold into the fob, or pop out at the touch of a button. Keys like these are commonly used in German cars, and provide an additional layer of protection against car thieves. The cylinder is resistant to breaking into, making it very difficult for thieves to 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 carved metal. This means they come with a tiny chip that contains an encrypted code that is unique to each key. The key sends a signal to the onboard computer in your vehicle every time you open the doors or open the trunk. The computer then prompts the correct frequency, allowing you to access your car and begin it. The chip of the smart key is equipped with several security features that protect it from 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 an exclusive code that only your car is able to understand. This stops a tech-savvy criminal from using a pulse generator in order 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 remotely, and many more. These functions can be accessed by activating the proximity sensor on the key fob by pressing a button or, in some cases you can do this by twisting a small piece of metal inside the key. The majority of these key fobs have a button that can unlock the doors by themselves However, some key fobs have another method of opening them with a slot or by placing the dead key near the dashboard where it holds an inductive coil that can transfer energy. Some even include an emergency (fully mechanical) key blade concealed in the key to allow this. Replacing a smart lock usually requires a visit to the dealership, where they will either have the replacement on hand or make it available for you to purchase. The dealer will also need to program the new key to recognize your vehicle. But, you can visit a locksmith to have your replacement key fob programmed and replaced. A locksmith might cost more than the dealer, but they'll likely be able to do the job quicker and at a lower cost.