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Keys Replacement For Cars If you have a basic mechanical key you should be able to find a replacement at any hardware store for relatively inexpensive. However, the key will need to be programmed by a locksmith or dealership. Smart keys are more complicated and require a visit from the dealer for the keys to be paired with your car. These keys are expensive, but many car 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 for your vehicle to start. If your car is equipped with one of these keys, it's inexpensive to replace the key and fob (if lost or stolen). A locksmith can make an entry level key for you at a lower price than you would buy from the dealership. You could also ask a neighbor or a friend who knows how to program transponder keys (which are cheaper than the factory keys) to make you a spare key and have it programmed. 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 contain an electronic chip inside the base. The chip communicates with the computer system of your vehicle. Your vehicle will recognize the code inside the chip and accept it, however it will refuse to start if another code is used. If your spare key contains a chip that is programmed, it will have to be programmed by a dealer. They will need to use an equipment that can cut the key and then program it. The machines are available at certain dealerships and it is unlikely that a locksmith would have the equipment needed to create a key with transponder. Keys with remotes are expensive to replace, especially if you need a spare. If you have just the key shank missing, and a functioning replacement fob you can try to reprogramme your fob by yourself. However, it could be time-consuming and challenging. If you've lost the entire fob and key but you're not sure you should seek out a dealer as your best bet. There are replacement key for car near me of car keys that require a more specialized set of skills to replace, for example flip keys and smart keys. They're more complicated and need to be replaced by a dealer. Some key fobs have keys that are spring-loaded and fold into the enclosure and opens a door or is operated by a proximity sensor to open and start your vehicle. Transponder Keys Transponder keys are likely to be used in vehicles built in the last 10 years. The keys have the microchip as well as a receiver that is programmed to communicate to start your car. Transponder keys are an excellent way to discourage theft because they require two parts for the car to start which is the transmitter (transponder) inside the key and the receiver connected to your immobilizer system. Without both the key and the immobilizer system being present, the car will not start and it is not possible to hotwire. Key chips have a unique serial number for your vehicle. When the key is inserted into the ignition the serial number is transmitted to the immobilizer of the car and checked to ensure that it matches up, it will then allow the engine to run. The only thing that could defeat this security feature is a device that is able to detect the chip and match it with another vehicle. You'll require an locksmith with the tools to reprogram your key. Some car dealerships provide this service as well but they are generally more expensive than a independent locksmith due to their costs. It can be difficult to find an original key that comes with a chip. The key needs to be cut using a particular machine to ensure that it has the correct tracks in place that can then be programmed to assign the key to your car. It requires specialized software, and the correct key cutter to cut it correctly. Most auto parts stores can clone some of the simpler chips keys, but you will need to know the serial number from the original key to ensure that the correct data is programmed into the key. Many people make a mistake going to their dealer in search of a copy of a chip key and end up paying high prices. Laser-Cut Keys Laser-cut keys are also known as sidewinder key because of the distinctive winding cut on the key shank. They add an additional layer of security to your vehicle. Because it takes specialized machinery to duplicate these keys, they're an excellent security measure against auto theft. They also come with built-in chips to stop unauthorized key copying from starting your car. They come with a unique code that must be programmed to your vehicle to unlock it and start it. This additional level of security will guard your investment, and deter thieves from attempting to steal your car for parts or to sell it. In terms of design laser-cut keys are different from mechanical cut keys in that they have fewer carved-out grooves on the key. They also have a larger key shaft, which is a good indication that it's not your regular car key. Locksmiths typically use a machine called a milling tool to cut these kinds of keys. This type of machine looks similar to a drill bit and is designed to remove metal at extremely precise, controlled angles. They're among the most secure keys you can buy for your vehicle, since they're very hard to replicate and only cut by the dealer or a certified locksmith. They're not created using traditional keys. Instead, they are made of a tiny piece of steel that's shaped according to form a code in the factory and then cut with laser. This kind of key is very durable and can endure many years of wear and wear and is one of the best options to protect your car. Depending on the key, it will either fold into the fob or pop out at the touch of the button. Keys like this are typically used in German cars and offer an extra layer of security against car thieves. They also make it very difficult for a thief to pick your vehicle or pick-lock it since the cylinder is extremely tough and hard to break into. Smart Keys Smart keys communicate with the vehicle via radio-frequency identification (RFID) instead of the traditional single piece of carved metal. They are equipped with a chip that has a unique code, which is encoded on every key. Whenever you unlock your car's doors, or open the trunk, the key sends a signal to the vehicle's computer onboard. The computer then prompts the right frequency, allowing you to access your car and start it. The chip in the smart key is equipped with several security features to guard it from theft. First the key emits a low-frequency signal that isn't picked up by any receiver other than your car. If the computer onboard detects this signal it will send an additional signal that is an exclusive code that only your vehicle can comprehend. This will stop a tech-savvy criminal from using a pulse generator in order to “fool the system” and perform the work on other vehicles. In addition to locking and starting the car, some smart keys also have additional functions such as storing specific preferences for drivers, remotely opening windows or the sunroof, among others. These are accomplished by activating the key's proximity sensor, pressing a button on the key itself or, in some instances, by twisting a tiny metal piece inside the key. Certain 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 that is hidden inside the key to allow this. Replacing a smart lock requires an appointment with a dealer, who will either purchase the replacement or have it on hand. The dealer will also have to program your new key to identify your car. You can visit a locksmith to have your replacement key fob programed and replaced. A locksmith may cost more than the dealer, but they'll be able to complete the job quicker and for less.