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Keys Replacement For Cars You can purchase an alternative key for a mechanical key at any hardware store. This key will need to be programmed by a locksmith or a dealer. Smart keys are more complex and require a trip to the dealer to connect them to your vehicle. These keys are expensive however many car insurance companies will pay for the cost. Mechanical Keys You can still buy mechanical car keys, the ones that you put into an ignition lock cylinder to start your car. If your car is equipped with one of these, replacing the key and fob is fairly inexpensive (if they're lost or stolen). A locksmith can make the basic key for you at a lower cost than what you'd pay in the dealership. You can also have a friend or neighbor that is proficient in programming transponder keys that are made for the aftermarket (which are cheaper than keys from factory) cut keys and then program them. A spare key is crucial since modern cars won't be able to start when a key that isn't programmed with the proper chip is used. Transponder keys are like mechanical keys but have an electronic chip hidden within the base. This chip communicates with the computer system in your car. Your vehicle will recognize the code in the chip and accept it, however it will not start if a different code is utilized. If your spare key is equipped with chips, you'll have to bring it to a dealer to get it programmed. The dealership will need a special machine for both cutting and programming the key. These machines are only available at certain dealerships, and it's not likely that a locksmith has the tools needed to make a laser-cut key with a transponder. It's expensive to replace keys using remotes, particularly if you require an extra. You can try reprogramming your fob yourself if you're only missing the key shank and have a working replacement fob, however it can be time-consuming and difficult. If you've lost your entire key and fob however, a dealer is your best bet. There are other types of car keys that require a more specialized set of skills to replace, for example flip keys and smart keys. They are more complex and require replacement by the dealer. Key fobs can be operated by proximity sensors or a spring-loaded door opener. Transponder Keys If your car was built in the past 10 years or so, it's likely to have transponder keys. These keys are equipped with a microchip in the key and an internal receiver in your car that are both programmed to communicate with each other to start the vehicle. Transponder keys are an excellent way to stop theft because they require two components for the car to be able to start that is the transmitter (transponder) inside the key and the receiver that is connected to your immobilizer system. The car will not start without both the key and the immobilizer system. These key chips have a unique serial number for your vehicle. The serial number of the key is transmitted to the immobilizer of the car and checked to be in line. If it does then the engine will begin. The only thing that could be a hindrance to this security feature is a special device that is able to read the chip and match it to another car. If you need a transponder key replacement you'll need to go to a locksmith that has the equipment needed to reprogram the key to your car. Some car dealerships provide this service, however they tend to be more expensive than a independent locksmith due to their costs. It can be difficult to find a new key with a chip. The key has to be cut on a specific machine in order to have the correct tracks in place that can then be programmed to assign the key to your car. This requires specific software and the right key cutter to get it done properly. Many auto parts stores are able to duplicate some of the more basic chips keys, but you'll need to be aware of the serial number of the original key in order to ensure that the correct information is incorporated into the key. Many people make a mistake going to their dealer in search of an exact copy of a chip key and end up paying overpriced costs. key replacement for car -Cut Keys Laser-cut keys, referred to as sidewinder keys due to their distinctive winding cuts to the shank of the key they add a layer of security to your vehicle. Because it requires specialized equipment to duplicate these keys, they're a fantastic protection against auto theft. Like transponder keys, they have embedded chips that stop duplicate keys from opening your car. They also typically have a unique code on the key, which needs to be programmed for your particular vehicle to unlock and start it. This additional level of security will protect your investment and stop thieves from trying to steal your vehicle in exchange for parts or to sell it. In terms of their design, laser-cut keys are slightly different from conventional mechanical cut keys, as they have smaller grooves that have been carved out of the key. They also have a more robust key shaft that is an indication that it's not a regular car key. Locksmiths generally employ a machine known as milling tool to cut these types of keys. This kind of tool looks similar to a drill bit and is designed to cut metal at extremely precise and controlled angles. These are among the most secure keys you can get for your car, because they're extremely difficult to duplicate and only cut by a dealer or a licensed locksmith. Unlike traditional keys, they're made from a small piece of steel that's shaped into a code and then cut with a laser at the factory. This kind of key is very durable and can be able to withstand a lot of wear and tear which makes it one of the best options to protect your vehicle. The key can be folded in the fob, or pop out by pressing a button. Keys like these are commonly used in German automobiles, and offer an extra layer of protection against car thieves. The cylinder is also very robust and difficult to break into, making it extremely difficult for a thief pick or pick-lock the vehicle. Smart Keys Keys Contrary to the conventional single piece of carved metal, smart keys make use of RFID, or radio-frequency identification for short, to communicate with the car. This means that they are equipped with a tiny chip that contains an encrypted code that is unique to each key. Whenever you unlock your car doors or pop the trunk the key sends a signal to the vehicle's onboard computer. The computer then will prompt the correct frequency to allow you to start your vehicle. The chip of the smart key comes with a variety of security features to guard against theft. The key emits a low-frequency signal, which can only be detected by your car. If the computer onboard detects this signal, it will transmit another one that is unique and only your car can understand. This will stop a tech-savvy criminal from using a pulse generator to “fool the system” and make the key work on other vehicles. In addition to locking and starting the car, some smart keys have special features like storing specific driver preferences, remotely opening windows or the sunroof, and many more. This can be accomplished by activating the key's proximity sensor or pressing a button on the key or, in some instances, twisting a small metal component inside the key. The majority of these key fobs feature an unlock button that opens the doors on their own, but some have another method of opening them with a slot or by placing the dead key close to an area on the dashboard where it holds an inductive coil which can transfer energy. Some even come with an emergency (fully mechanical) key blade concealed in the key to allow this. Replace a smart key requires a trip to the dealer, who can either request the replacement or stock it. The dealer will also need to program your new key so that it recognizes your car. You can also visit a locksmith for your replacement key fob to be programmed and replaced. Locksmiths may charge more than the dealer, but they'll likely be able to complete the job quicker and for less.