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Keys Replacement For Cars You can purchase an alternative key for a mechanical one at any hardware shop. However, this key will have to be programmed by a locksmith or dealership. Smart keys are more complex and require a visit to the dealer to connect them to your vehicle. These keys are expensive however, many insurance companies will pay for the cost. Mechanical Keys You can still buy mechanical keys for cars such as the ones you insert into the ignition lock cylinder to start your vehicle. If your car is equipped with one of these, replacing the fob and key is relatively inexpensive (if they get lost or stolen). A locksmith can make an entry level key for you at a less cost than what you'd buy from the dealership. You can also ask a neighbor or a friend who knows how to program transponder keys for aftermarket use (which are less expensive than keys made by the factory) to make you a spare key and have it programmed. Getting a spare is important because modern cars won't start if a key without the correct chip is used. Transponder keys are similar to mechanical keys, but contain an electronic chip within the base. This chip communicates with the computer system in your car. Your car will recognize the code in the chip, but it will not start if you use another code. If your spare key has a chip it must be programmed at a dealership. The dealership will require a special machine for both cutting and programming the key. These machines are only available at certain dealerships, and it's unlikely that a locksmith has the equipment required to create an engraved key using a laser transponder. It's costly to replace keys using remotes, especially if require an extra. Try reprogramming the fob by yourself if you're missing the shank on the key and you have a working replacement fob, but it could be difficult and time-consuming. You're better off contacting an authorized dealer in the event that you've lost both the fob and the key. Other kinds of keys for cars require more special skills to replace. They include flip keys as well as smart keys. They are more complex and must be replaced by a dealer. Certain key fobs come with a spring-loaded key that folds into the enclosure and opens doors or is operated by a proximity sensor to open and start your vehicle. Transponder Keys Transponder keys are likely to be used in cars built within the past 10 years. These keys are equipped with a microchip within the key itself and a receiver in your car which are both programmed to communicate with each other to start the car. Transponder keys are an excellent method to deter theft since they require two parts in order for the car to be started which is the transmitter (transponder) in the key and the receiver that is connected to your immobilizer system. Without both the key and the immobilizer system being in place, the car won't start and is impossible to hotwire. The key chips are programmed with a unique serial number that is unique to your vehicle. When the key is inserted into the ignition the serial number is then sent to the cars immobilizer and then verified to make sure it is in line and allows the engine to run. The only thing that could stop this security feature is a device that is able to read the chip and match it to another vehicle. You'll need to find an locksmith with the equipment needed to reprogram your key. Some car dealerships offer this service, however they are typically more expensive than a private locksmith due to their overhead. It can be difficult to get an original key that comes with a chip. To program your car, the key has to be programmed on a specific machine. This requires specialized software and the right key cutter to get it done properly. Many auto parts stores are able to duplicate some of the more basic chips keys, but you will need to know the serial number of the original key to ensure that the correct data is encoded into the key. Many people make the error of going to their dealer to get a chip key copied and end with a bill that is higher than what they need to. Laser-Cut Keys Laser-cut keys are also referred to as a sidewinder keys due to the distinctive winding cut on the key shank. They provide an additional layer of security to your car. They are a fantastic deterrent to auto theft because they require specialized equipment to duplicate. They also have built-in chips to stop the copying of keys by unauthorized people from starting your car. They have a unique code that needs to be programmed into your vehicle to unlock it and begin it. This additional level of security will guard your investment, and deter thieves from trying to steal your vehicle in exchange for parts or to sell it. Keys cut with lasers differ slightly from mechanically cut keys in terms of design. They have fewer grooves carved out on the key. The key shaft is larger, which is a sign that this is not an ordinary car key. Generally, locksmiths make use of a milling tool to cut these types of keys. This type of machine looks much like a drill bit and is designed to remove metal at extremely precise, controlled angles. Read the Full Report are the safest keys you can purchase for your vehicle. They are extremely difficult to duplicate and can only be done by cut by a certified locksmith or dealer. They're not like traditional keys. They're constructed from a tiny piece of steel which is made into a code, and then cut using a laser at the factory. This kind of key is able to be able to withstand a great deal of wear and tear, and is one of the best choices for protecting your vehicle. The key can be folded into the fob, or it can be released by pressing a button. These keys are used in German cars, and provide an extra layer of protection against car thieves. The cylinder is also very resistant to breaking into, making it extremely difficult for a thief pick or pick-lock a vehicle. Smart Keys In contrast to the traditional single piece of carved metal, smart keys utilize RFID, or radio-frequency identification for short, to communicate with the car. This means they come with a small chip that has an encrypted code that is unique to each key. The key transmits a message to the onboard computer of your vehicle whenever you unlock the doors or open the trunk. The computer then triggers the right frequency, allowing you to access your car and begin it. The chip of the smart key has a number of security features to guard against theft. The key emits a low-frequency signal, which can only be detected by your vehicle. If the computer onboard detects this signal, it will transmit an additional signal that is an exclusive code that only your car can understand. This will stop a criminal with a high-tech background from using an external generator to “fool” the system and make the key work for other vehicles. In addition to locking and starting the car, certain smart keys have special features like storing specific driver preferences remotely opening windows, the sunroof, and many more. These functions can be accessed by activating the proximity sensor on the key fob by pressing a button, or, in certain instances you can do this by twisting a small piece of metal inside the key. Some key fobs can be opened by placing the dead key in a slot, or by placing it next to an inductive coil that is located on the dashboard. Some even come with an emergency (fully mechanical) key blade hidden in the key to activate this. Replacing a smart lock requires an appointment with a dealer, where they can request the replacement or stock it. The dealer will also need to program the new key to identify your vehicle. But, you can go to a locksmith shop to have your new key fob programmed and replaced. A locksmith may charge more than the dealer, but they'll be able to complete the job more quickly and less expensively.