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Keys Replacement For Cars You can get an alternative key for a mechanical one at any hardware shop. This key will need to be programmed by a dealership or locksmith. Smart keys are more complicated and require a visit to the dealer to pair them with your vehicle. They can be expensive however, many insurance companies will pay for the cost. Mechanical Keys You can still purchase mechanical keys for cars which you insert into an ignition lock cylinder to start your vehicle. If your vehicle is equipped with one of these, it's relatively inexpensive to replace the key and fob (if lost or stolen). A locksmith can make you new keys for less than what you pay at a dealership. You could also ask someone close to you who knows how to program aftermarket transponder keys (which are less expensive than factory keys) cut keys and have them programmed. It is essential to have a spare because modern cars won't begin if a key without the proper chip is used. Transponder keys are similar to mechanical keys, but have an electronic chip hidden inside the base. This chip communicates with the computer system of your vehicle. Your car will accept the code in the chip, but it will not start if you choose another code. If your spare key has chips, it will need to be programmed at a dealership. The dealership will need an equipment that is specifically designed for cutting and programming the key. These machines are only available at certain dealerships. It is unlikely that a locksmith would have the equipment needed to create a key with a transponder. Keys with remotes are expensive to replace, especially if you need a spare. Try reprogramming the fob by yourself if you're missing the key shank and have a functioning replacement fob, but it could be time-consuming and laborious. If car key replacement 've lost the entire fob and key however, a dealer is your best bet. Other kinds of keys for cars require more specific skills to replace. This includes flip keys and smart keys. These are more complicated and need to be replaced by the dealer. Some key fobs are operated by a proximity sensor or a door opener that is spring-loaded. Transponder Keys If your car was built in the recent 10 years or so you're likely to use transponder keys. These keys contain a microchip and a receiver that is programmed to communicate to start your car. Transponder keys can be an excellent method of preventing theft since they require two elements to start a car – the transmitter contained in the key, and the receiver connected to the immobilizer. The car won't start without both the key and the immobilizer system. These key chips are programmed with a serial number that is unique to the vehicle you own. When the key is inserted into the ignition the serial number is transmitted to the cars immobilizer and verified that it is compatible the number, which allows the engine to run. The only thing that can defeat this security feature is a device that can read the chip and match it with another car. When you get a transponder key replaced, you'll need to visit an locksmith with the necessary equipment to reprogram the keys to your vehicle. Some car dealerships provide this service as well but they are typically more expensive than a independent locksmith due to their overhead. Getting a new car key that has a chip in it is a complex procedure. To program your car, the key has to be programmed on a special machine. It requires specialized software, as well as the appropriate key cutter to cut it correctly. Some of the simpler chip keys can be cloned at the majority of auto parts stores, but you must be aware of the serial number of the original key to ensure the correct information is programmed into the new key. Many people make the mistake of visiting their dealer to have a chip key copied, and end with a bill that is higher than what they have to. Laser-Cut Keys Laser-cut keys, also known as sidewinder keys due their distinctive winding cuts in the key shank provide an additional layer of security to your vehicle. These keys are a great deterrent to auto theft because they require special equipment to duplicate. Like transponder keys. They have built-in chips that block unauthorized key copies from getting into your vehicle. They also typically contain a unique code the key that must be programmed to your specific vehicle to unlock and start it. This additional layer of security is a great method to safeguard your investment and deter thieves who may be trying to steal your car for parts or to sell it to. 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 larger key shaft which is an excellent indication that it's not a regular car key. Locksmiths usually use a milling machine to cut keys. This kind of tool looks like a drill and is designed to remove metal at extremely precise, controlled angles. These are the most secure keys you can buy for your vehicle. They are extremely difficult to duplicate and must be cut by a licensed locksmith or dealer. They're not like traditional keys. They're made using a small piece of steel that's made into a code, and then cut using a laser at the factory. This kind of key can withstand a lot wear and tear and is one of the best options for protecting your vehicle. automotive key replacement can be folded in the fob, or be released by pressing the button. These kinds of keys are used extensively in German cars and offer an extra layer of security against car thieves. The cylinder is robust and difficult to break into, making it very difficult for thieves to pick or pick-lock a vehicle. 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 are equipped with a chip that has a unique code, which is encoded on each key. The key transmits a message to the onboard computer in your vehicle each time you unlock the doors or open the trunk. The computer will then signal the appropriate frequency to allow you to start your vehicle. The chip of the smart key comes with a variety of security features to protect it from theft. First the key emits a very low-frequency signal that isn't received by any other receiver, not even your vehicle. If the onboard computer detects this signal, it will prompt an alternative one that's a unique sequence that only your vehicle will understand. This prevents a tech savvy criminal from using a pulse generator to “fool the system” and make the key work on other vehicles. Certain smart keys come with specific features, like the ability to store preferences for drivers remote opening windows, opening the sunroof from afar and many more. These features are accessible 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. Most key fobs have buttons that open the doors by themselves however some come with an additional method to open them: a slot or holding the dead key in the dashboard, where it is able to hold an inductive coil that is able to transfer energy. Some even come with an emergency (fully mechanical) key blade concealed in the key to activate this. To replace a smart key, you'll need visiting a dealer, where they can request the replacement or stock it. The dealer will also have to program the new key so that it recognizes your vehicle. But, you can go to a locksmith shop to have your new key fob programmed and replaced. A locksmith might charge more than the dealer, but they'll be able to complete the job faster and at a lower cost.