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Keys Replacement For Cars If you have a standard mechanical key you should be able to get a replacement at any hardware store for relatively cheap. This key will need to be programmed by a locksmith or a dealer. Smart keys are more complicated and require a trip to the dealer to connect them to your car. These keys are expensive, but many car insurance companies will cover the cost. Mechanical Keys You can still buy mechanical car keys such as the ones you put into an ignition lock cylinder to start your vehicle. If your car is equipped with one of these, replacing the fob and keys is fairly inexpensive (if they get lost or stolen). A locksmith can make you an original key for less than what you purchase from a dealership. You could also ask a neighbor or friend who knows how to program transponder keys (which are less expensive than keys made by the factory) to make you a spare key and program it. It is important to have a spare key as modern cars will not start in the event that the key does have the correct chip. Transponder keys resemble mechanical keys, but they have an electronic chip hidden in the base. The chip communicates with the computer system in your car. The car will accept the code on the chip, but will not start if you try to use another code. If your spare key is equipped with chip, you'll need to take 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 certain dealerships. It is unlikely that a locksmith have the equipment needed to make a key using a transponder. It's costly to replace keys using remotes, especially if you require an extra. If you only have the shank of your key missing and a functioning replacement fob you can attempt to reprogramme your fob on your own. However, it can be time-consuming and challenging. If you've lost the entire fob and key however it's best to contact a dealer as your best bet. There are other types of keys for cars that require a more specialized set of skills to replace, such as flip keys and smart keys. They are more complex and must be replaced by a dealer. Some key fobs are operated by proximity sensors or a door opener that is spring-loaded. Transponder Keys Transponder keys will likely be used in cars constructed in the past 10 years. The keys have an embedded microchip and the receiver is programmed to communicate with start your car. Transponder keys are a fantastic way to stop theft because they require two parts for the car to be started which is the transmitter (transponder) inside the key and the receiver that is connected to your immobilizer system. The car will not start without the key and immobilizer system. The key chips come with 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 checked to ensure that it matches up, it will then allow the engine to start. This security feature is only defeated by a special device which can read the chip and match it with another car. When you get a transponder-related key replaced it is necessary to visit an locksmith with the equipment needed to reprogram the keys to your car. Some car dealerships also offer this service, but their overhead makes them more expensive than an independent locksmith. Getting a new car key that comes with a chip it can be a complicated process. To program your car, the key has to be programmed on a specific machine. Continuing requires specialized software and the right key cutter in order to get it done properly. Most auto parts stores can duplicate some of the more basic keys for chips, but you will need to be aware of the serial number of the original key to ensure that the correct data is programmed into the key. Many people make the mistake of visiting a dealer to have their chip key copied, and end with a bill that is higher than what they need to. Laser-Cut Keys Laser-cut keys, also referred to as sidewinder keys due to their distinctive winding cuts to the shank of the key provide an additional layer of security to your vehicle. Because it takes specialized machinery to duplicate these keys, they're a great deterrent against auto-theft. They also have built-in chips that prevent unauthorised key copying from launching your car. They have a unique code that needs to be programmed into your car in order to unlock it and begin it. This additional layer of security is a great method to safeguard your investment and deter thieves who could be trying to steal your vehicle for parts or to sell it. Laser-cut keys differ from mechanically cut keys in terms of design. They have fewer grooves carved out on the key. They also have a thicker key shaft that is an indication that it's not your regular car key. Generally, locksmiths use a machine called milling tool to cut these types of keys. This machine is similar to a drill bit, and it's designed to remove metal in very precise angles. These are the safest keys that you can purchase for your vehicle. They are extremely difficult to duplicate and must be cut by a certified locksmith or dealer. In contrast to traditional keys, they're made using a small piece of steel which is cut into a shape and then cut with a laser at the factory. This type of key is able to withstand a lot wear and tear, and is among the best choices for protecting your vehicle. The key can be folded into the fob, or it can be removed by pressing a button. These keys are used in German automobiles, and offer an additional layer of protection against car thieves. They also make it difficult for a thief to pick or pick-lock your vehicle since 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 conventional single piece of carved metal. They have a chip with a unique code, which is encoded on every key. The key transmits a message to the onboard computer of your vehicle each time you unlock the doors or open the trunk. The computer then prompts the correct frequency which allows you to open your car and begin it. The chip of the smart key comes with a variety of security features to guard it from theft. The key emits an extremely low-frequency signal that can only be detected by your vehicle. If the computer onboard detects this signal, it will transmit another one that is unique and only your car can understand. This stops a cyber-savvy criminal from using an external pulse generator to “fool” the system and perform the 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 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 of these key fobs feature a button that can unlock the doors by themselves However, some key fobs have another method of opening them by a slot or placing the dead key near a spot on the dashboard where it holds an inductive coil that can transfer energy. Some key fobs feature mechanical (fully emergency) key blade that is inside the key. To replace a smart key, you'll need a trip to the dealer, where they can request the replacement or have it in stock. The dealer will also have to program your new key so that it recognizes your car. You can also go to a locksmith for the replacement key fob to be programmed and then replaced. Locksmiths will cost more than a dealer but they will do the job quicker and at a lower cost.