G28CarKeys Cutting Explained Car key cutting is much more than just shaping a piece of metal. It is a sophisticated procedure that ensures security, functionality and long-term use of the keys. It is not unusual to lose your car key or have it break off in the lock. You will need a replacement car key to ensure you can drive your vehicle at all times. Transponder Keys If your car was built within the past 20 years, it is likely to have a transponder chip. These chips are small microchips inside the key's handle that send signals to the car's onboard computer when you use it. The computer on board scans the digital serial numbers within the chip and allows the car to start if it's the right one. This stops thieves from hijacking your vehicle since they'd need to know the unique serial number. The microchip in the key transmits a low-level signal to the car's receiver. This radio signal activates the microchip, and it then sends a code to the car's onboard computer. The car will be able to recognize the code and only allow it to start only if the key is the right one. This prevents "hot wiring" or other methods to steal cars. Car keys with chips can be made by locksmiths that offer these services. They can also be purchased at a few automotive stores, such as AutoZone. These stores offer a wide variety of keys, and can assist you in choosing the appropriate one for your vehicle. They can assist you in programming your vehicle's chip that is required for the device to function. Laser cut keys are more secure than flat keys. These keys have an cylinder for locking that is more difficult to pick, and are only duplicated using expensive laser key cutting equipment or special software. This type of technology is typically found in high-end cars, but it is now available in a variety of affordable automobiles as well. Another kind of car key that is difficult to duplicate is the VATS (vehicle anti-theft system) key. These keys have a black resistor on the key blade that is programmed with one of fifteen possible values to prevent the car from starting that it's not intended to. They are expensive and require the use of a key programming machine which is only available at certain locksmiths. VATS Keys Before transponder keys and cars with computers built-in to control the ignition, GM used a system called VATS (Vehicle Anti-Theft System). VATS utilizes a standard key with a resistor pellet embedded within it to verify that the correct key is used to start the vehicle. The black VATS Pellet that is located in the middle of the VATS Key isn't a smart chip like those found on most modern keys. It is merely a block or carbon that is sized to provide an electrical resistance value. GM used 15 different resistance values for the VATS pellets and connected them to the blade of the key, so that when the key is turned on in the ignition, a coded signal is transmitted to the module. If the signal matches the resistance value of the transistor in the VATS pellet, the relay in the starter circuit is activated and the engine begins to run. This does not make a car safe from burglary however, it can deter thieves for at least 15 to twenty minutes. After a prolonged period of usage the VATS module could start to wear out. Each time a key is inserted into the ignition it reroutes two small wires inside the ignition and, over time, the wires may start to break. Once enough wires break the signal to the module is lost and the module won't be able to start the car. You can solve this issue at home yourself by decoding your VATS code. It's not difficult to determine the resistance of a key with the multimeter. You can determine the resistance value by placing one of the leads on the prongs of metal on both sides of your key. This is a great method to test a brand new key and check whether it will work in your car. Be sure to remove the key from the ignition before you begin testing it, as the new key could be displaying an incorrect VATS value and may not work in your car. Smart Key Fobs Key fobs of today do more than just unlock or start a car. Many of them have advanced features that most owners aren't aware of. They can be employed as a security tool or as a deterrent to theft. They can lock and unlock your door from a distance, make chirping noises to aid in locating your vehicle in a parking lot, or allow you to activate it by pressing the button. This is more functionality than you get from a traditional keychain remote. Smart key fobs are more expensive to replace due their additional functions. They also need to be programmed at the dealer. Some dealers will charge up to $100 for a single smart fob. It's a high price to pay for a device that's often jostled in purses and pockets where it can be damaged, thrown or exposed to extreme temperatures and humidity. Fortunately, some automakers have developed ways to safeguard smart key fobs from the most common kinds of electronic attacks, such as relay attacks. These are often combined with a remote start hack that gives thieves access to your vehicle's settings by the transmission of a fake signal by another transmitter close to. To secure a smart card, you can store it in a metal casing or even an RFID blocking case. This will stop the transmission of these signals. The convenience of this technology is compromised if you need to remove your key fob every time you use it from the protective case. Some newer policies like auto club memberships as well as extended warranties can cover the cost of a replacement fob or reimburse you in the event that it is lost. You can also avoid paying dealership fees by having your fob copied at a hardware or locksmith store that offers key-fob-cloning. The decision of whether to purchase an additional fob is based on the importance of your car's keyless entry and start functions. In any case, you should always have a spare fob or key in case in case you lose yours. Batteries Plus offers a large selection of replacement fobs that will fit most cars and trucks. In addition, our quick and easy service is about 50% less than what you would buy from the dealership. Traditional Keys Traditional car keys are a single length of metal with a series of grooves cut into it to fit a specific lock. These keys can open your locks and start the car, provided you haven't exchanged them to a smart or remote key. The only disadvantage of using the traditional key is that it needs to be physically inserted into the ignition to start the car. If your car key has been lost or broken you'll need to visit the Gainesville Locksmith to get a new one created. There are a variety of options to choose from depending on how long it has been since you've had your keys cut. Certain keys utilize mechanical cutting machines to make copies, while others use laser-cut keys specifically designed with enhanced security features in mind. Modern keys come with advanced features such as encryption and anti-theft mechanisms. Encryption makes it harder for thieves to duplicate keys or open locks. Transponder chips are another anti-theft feature. They are incorporated into the key and connect to your vehicle. This means that they only work when you're within a certain distance. If you opt to use a traditional standard key, a locksmith could make a new one with a standard key cutting machine which can be purchased at the majority of hardware stores. This is less expensive than a key fob or a transponder. you are still able to operate your locks, trunk and doors. Another option is to have the traditional car keys replaced with a laser-cut version that has a unique pattern. These keys first came out in the 1990s, and are now a popular option for people who want to add extra protection to their vehicles. Laser cut keys typically contain transponder chips that are programmed to work only with the specific vehicle you own. If these chips are not present in your vehicle they will not respond to the signals generated by the key.
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