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Keys Replacement For Cars You can get a replacement key for a mechanical one at any hardware shop. The key must be programmed either by a dealership or locksmith. Smart keys are more complex and require a visit to the dealer to pair them with your vehicle. These keys are expensive however many car insurance companies will cover the cost. Mechanical Keys You can still buy mechanical keys for your car which you put into the ignition lock for your vehicle to start. If your car has one of these, replacing the key and fob is relatively inexpensive (if they get lost or stolen). A locksmith can create new keys at a lower cost than what you buy from a dealer. You could also ask a neighbor or friend who knows how to program transponder keys aftermarket (which are cheaper than the factory keys) to make you a spare key and then program it. A spare key is crucial because modern cars won't start if a key without the proper chip is used. Transponder keys resemble mechanical keys but have an electronic chip hidden within the base. The chip communicates with the computer system of your vehicle. Your car will recognize the code contained in the chip and accept it, however it will not start if any other code is utilized. If your spare key has a chip, you'll need to bring it to a dealership to have it programmed. The dealership will require an equipment that is specifically designed for cutting and programming the key. These machines are only available at specific dealerships, and it's unlikely that a locksmith has the equipment needed to create a laser-cut key with a transponder. It's expensive to replace keys with remotes, especially if you require a spare. If you only have the shank of your key missing and a functioning replacement fob you can try to reprogramme your fob by yourself. However, it could be time-consuming and complicated. If you've lost the complete fob and the key however, a dealer is your best bet. There are other kinds of car keys that require a more specific set of skills to replace, such as flip keys and smart keys. These are more complex and typically need to be replaced at the dealership. Some key fobs have a spring-loaded key that folds into the enclosure and opens a door, or they're operated with the use of a proximity sensor to open and start your car. Transponder Keys If your car is built in the last 10 years or so it's likely to have transponder keys. These keys contain an embedded microchip and an electronic receiver that is programmed to communicate to start your car. Transponder keys are a great way of deterring theft, since they require two elements to start the car – the transmitter inside the key and the receiver that is connected to the immobilizer. The car won't start without both the key and the immobilizer system. 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 sent to the immobilizer in the car and verified that it matches up, it will then allow the engine to run. The only thing that could be a hindrance to this security feature is a device that is able to read the chip and match it with another car. You'll need to find a locksmith who has the tools to reprogram your key. Some car dealerships offer this service, however they are generally more expensive than a independent locksmith because of their overhead. Finding a new car key with a chip inside it is a complex process. The key needs to be cut using a specific machine to ensure that it has the right tracks that can then be used to program the key to your car. This requires specialized software and the right key cutter in order to get it done properly. Some of the simpler chip keys can be copied at the majority of auto parts stores, but you need to 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 error of visiting their dealer to get a chip key copied, and end up paying more than they have to. Laser-Cut Keys Laser-cut keys, also referred to as sidewinder keys due their distinctive winding cuts on the key shank they add a layer of security to your vehicle. Because it takes specialized machinery to duplicate these keys, they're a fantastic protection against auto theft. Like transponder keys, they feature embedded chips that stop unauthorized key copies from getting into your car. They have a unique number that needs to be programmed into your car to unlock it and begin it. This additional level of security will protect your investment, and deter thieves from attempting to steal your vehicle for parts or to resell it. In terms of design laser-cut keys are different from standard mechanical cut keys in that they have smaller grooves that have been carved out of the key. The key shaft is also more substantial, which is another indication that this isn't an ordinary car key. Locksmiths generally use a machine called milling tool to cut these types of keys. This type of machine looks similar to a drill bit and is designed to cut metal at very precise, controlled angles. These are among the most secure keys you can purchase for your vehicle, since they are extremely difficult to duplicate and can only be cut by the locksmith who is a certified dealer. They're not created using traditional keys. Instead, they are constructed from a small piece of steel that is shaped to a code at the factory before being cut with a laser. This kind of key is extremely durable and is able to stand up to many years of wear and tear, making it one of the best options for protecting your vehicle. The key can be folded up into the fob, or be released by pressing a button. These types of keys are typically used in German automobiles and provide an additional layer of protection against car thieves. They also make it difficult for a thief to pick or pick-lock your vehicle because the cylinder is extremely durable and is difficult to break. Smart Keys Smart keys communicate with the vehicle via radio-frequency identification (RFID) instead of the traditional single piece of carved metal. They come with a chip with a unique code, which is encoded on each key. When you open your car doors or pop the trunk key, it sends a signal to the car's onboard computer. Cheapest car key replacement near me prompts the correct frequency, allowing you to access your car and begin it. The smart key's chip also has a number of security features that protect against theft. First, the key emits a very low-frequency signal which isn't picked up by any other receiver, not even your car. If the computer onboard detects this signal, it will trigger an alternative one that's an exclusive sequence that only your car can recognize. This prevents a tech savvy criminal from using a pulse generator in order to “fool the system” and make the key work on other vehicles. Certain smart keys come with specific features, like storing driver preferences remote opening windows, opening the sunroof from afar, and many more. These functions can be accessed by activating the proximity sensor on the key fob, pressing a button or, in some instances you can do this by twisting a small piece of metal inside the key. The majority of these key fobs have an unlock button that opens the doors by themselves however some come with an additional method to open them: a slot or holding the dead key near the dashboard where it holds an inductive coil which can transfer energy. Some even include an emergency (fully mechanical) key blade concealed in the key to enable this. Replacing a smart lock typically requires a visit to the dealer, who will either have the replacement on hand or order it for you. The dealer will also need to program the new key so that it recognizes your vehicle. You can also visit a locksmith for the replacement key fob to be programmed and then replaced. Locksmiths will cost more than a dealer, but they will complete the task faster and for less.