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Keys Replacement For Cars If you own a basic mechanical key, you should be able to find a replacement at any hardware store for cheap. However, the key will need to be programmed by a locksmith or dealership. Smart keys are more complicated and require a visit to a dealer to pair them with your car. These keys are expensive however many car insurance companies will pay for the cost. Mechanical Keys You can still purchase car keys that are purely mechanical, such as the ones you place in an ignition lock cylinder and turn to start your vehicle. If your car uses one of these, it's relatively cheap to replace the fob and key (if lost or stolen). A locksmith can make the basic key for you at a lower cost than what you would pay at a dealership. You can also have your neighbor or a friend who knows how to program transponder keys that are made for the aftermarket (which are less expensive than factory keys) cut keys for you and then program them. It is essential to have a spare because modern cars won't start when a key is not programmed with the proper chip is used. Transponder keys resemble mechanical keys but have an electronic chip hidden in the base. This chip communicates with the computer system in your car. The car will accept the code in the chip, but it will not start if you choose another code. If the spare key you have has chips, you'll have to bring it to a dealership to have it programmed. key car replacement will need to use a special machine to both cut the key and program it. These machines are only available at specific dealerships, and it is unlikely that a locksmith will have the equipment needed to create a key with a transponder. It is expensive to replace keys with remotes, especially if require a spare. If you only have the key shank missing, and an operational replacement fob, you can try to reprogramme your fob on your own. However, it can be time-consuming and complicated. If you've lost the entire key and fob however, a dealer is your best bet. Other kinds of keys for cars require specific skills to replace. This includes flip keys as well as smart keys. They are more complicated and are usually replaced at the dealership. Some key fobs are operated by a proximity sensor or a door opener that is spring-loaded. Transponder Keys If your car was constructed in the recent 10 years or so it's likely to have transponder keys. The keys contain a microchip in the key and an internal receiver in your car which are both programmed to communicate with each other to start the vehicle. Transponder keys are an effective method of preventing theft, as they require two components to start the car: the transmitter in the key and the receiver attached to the immobilizer. The car won't start without the key and the 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 sent to the immobilizer in the car and then verified to make sure it is in line and allows the engine to run. This security feature is only defeated by a special device that reads the chip and match it with a different car. If you need a transponder key replaced you'll need to go to a locksmith that has the equipment needed to reprogram the key into your vehicle. Some car dealerships offer this service, however their overhead makes them more expensive than an independent locksmith. It can be difficult to find a new key with a chip. The key must first be cut on a specific machine to ensure that it has the proper tracks that can then be programmed to assign the key to your car. It requires specialized software, as well as the right key cutter to do it correctly. The majority of auto parts stores can copy some of the less complicated keys for chips, but you will need to know the serial number of the original key in order to ensure that the correct information is encoded into the key. Many people make the error of going to their dealer to get a chip key copied, and end in paying more than they should. Laser-Cut Keys Laser-cut keys are also referred 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 special equipment to duplicate. They also come with built-in chips that prevent unauthorized key copying from starting your car. They also typically contain a unique code the key, which needs to be programmed for your specific car in order to allow it to be opened and started. This extra level of security will safeguard your investment, and deter thieves from attempting to steal your car for parts or to resell it. Keys cut with lasers 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 that is an indication that it's not your regular car key. Generally, locksmiths make use of milling tool to cut these kinds of keys. This tool is similar to a drill, and it's designed to cut metal with precise angles. These are the safest keys you can buy for your vehicle. They are difficult to duplicate and must by cut by a certified locksmith or dealer. In contrast to traditional keys, they're constructed from a tiny piece of steel that's cut into a shape and then cut using a laser at the factory. This kind of key can withstand a lot wear and tear and is among the best options to protect your vehicle. Depending on the key, it could either fold into the fob or be released with the click of a button. These types of keys are used extensively 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 because the cylinder is extremely rugged and is difficult to break. Smart Keys 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 an individual code, which is encoded on each key. The key sends a message to the onboard computer in your vehicle each time you unlock the doors or open the trunk. The computer will then prompt the appropriate frequency to allow you to start your car. The chip of the smart key comes with a variety of security features that guard against theft. The key emits an extremely low-frequency signal, which will only be detected by your car. If the onboard computer detects this signal, it will trigger an alternative one that's an individual sequence that only your vehicle will comprehend. This prevents 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, certain smart keys come with additional features such as storing particular driver preferences remote opening windows or the sunroof, among others. These can be done by activating the key's proximity sensor, pressing a button on the key itself, or, in some cases, twisting a small metal part inside the key. Certain key fobs are opened by holding the dead key in a slot or by placing it next to an inductive coil that is located on the dashboard. Some even include an emergency (fully mechanical) key blade that is hidden inside the key to allow this. Replacing a smart key typically requires a visit the dealership, where they will either have the replacement on hand or purchase it for you. They'll also need to program the new key to recognize the car you are driving. You can also visit a locksmith for your replacement key fob to be programmed and replaced. A locksmith may charge more than the dealer, but they'll be able to do the job quicker and at a lower cost.