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Types of Ignition Key Replacement The car key with a blade is the most simple to use. You simply insert it into the ignition lock cylinder and you're ready to go. Keys like this are typically used in older cars, but modern models feature transponder chips that must be programmed into the car in order to work. You can typically have these keys replaced at a dealership or an automotive locksmith. The VIN number of the vehicle can be used to make a new key. Transponder Keys Transponder chips can be present in vehicles built within the last 20-years. This technology is a perfect combination of electronic and mechanical security, and it works by sending a coded signal to the vehicle whenever you insert the key into the ignition. The engine control unit compares the code against its own database to determine if you are the authorized owner of the vehicle. If it is, then the car will start. The process takes milliseconds and is unnoticeable to the naked eye. You will see a small chip on the front of your key if it is transponder. Inserting the key into your ignition and turning it on is the most efficient method to test. If your car responds, it means that the key has been programmed and successfully verified as being a genuine transponder key. The reason this adds an extra layer of security is that while traditional keys rely on a match with the tumblers of the lock transponder chips actually send an electronic signal to the car's computer. This is a way to prevent people from hot-wiring their vehicles by making sure the correct key is used. To reprogram a transponder keys, you will need to follow these simple steps. First, verify that the key works and then put it aside. Then, you can insert the blank key into the ignition and turn it to the “on” position. After about 15 minutes, turn off the ignition. After 15 minutes, you can then attempt to start the car once more. If it fails to start, then you will need to repeat the procedure of turning off and switching on the car. The process of reprogramming a transponder key is a bit more complex and costly than making a duplicate of a standard mechanical car key. Additionally, you'll need to have the key cut professionally and a specific car key programer is required to remove the code from your ECM and then match it to a new transponder key. Smart Keys Smart keys enable drivers to unlock doors and start their engines by pressing a button without the need to insert the key in the ignition. The fob is equipped with a transponder that communicates with an immobilizer in the car, disarming it so that the car can begin. The fob is usually equipped with remote control function buttons that control the door locks, release the trunk and open tailgates. Some also include a panic button that when activated, blasts the vehicle's horn to scare off intruders. Like all technologies, smart keys have their advantages and drawbacks. But they do offer enhanced security and convenience – especially for those who have a tendency to forget to lock their car. These features can also save you money over the long term. Smart keys are not only an effective way to keep thieves from stealing vehicles as well, but they can help you avoid the age-old phrase, “it's somewhere in here.” Instead of using a traditional metal key shaft smart keys communicate with your car using radio frequency signals. As such, they can't be duplicated by a traditional key cut. However, car ignition key replacement doesn't mean you can't find the key in case it gets lost. Smart keys can be more expensive depending on the manufacturer. This is mainly due to the fact that they are equipped with electronic components which makes them more complicated and difficult to repair if something goes wrong. Pop-A Lock can replace and program smart keys at a fraction of what your dealer would charge. We can even complete the process in a shorter time frame, saving you the hassle of having arrange for alternative transportation until your vehicle is repaired. If you're thinking about getting a smart car key, purchase an extra key to keep in a safe location or purchase motor cover that pays out if you lose your keys. Keep it out of the prying eyes. Low frequency transmissions allow someone to steal your car. Switchblade Keys There are many options available when replacing the ignition key. Traditional keys are the traditional standard, which has a steel shaft with distinct cuts or notches that correspond to lock tumblers within the door and the ignition cylinder. They do not have advanced features such as remote unlocking or keyless entry however, they are durable and easy to use. Transponder keys, on the other hand, are an important advancement in security technology. These keys feature an electronic chip inside the head of the key that communicates with a receiver inside the vehicle and allows it to start only if the correct code is sent. This kind of key is very efficient in reducing crime within the automotive. The procedure of programming a key and transponder for a locksmith who is experienced is relatively easy. Another type of key is the flip-style that is designed to tuck the key blade into an enclosure when not in use. This protects the blade of the key from damage and makes it more convenient to carry. The key fob part of this kind of key usually has remote control functions that allow drivers to lock and unlock the trunk or doors of their car and start the engine remotely. Laser cut keys are readily available for those looking to add an additional security measure against auto theft. The shanks of these keys are cut with a laser, creating an extremely precise and difficult to replicate pattern. While these keys are more expensive than basic keys and key fobs but they also provide a greater level of security against theft by unauthorised users. There are also switchblade keys, which resemble the bladed weapons that spawned the term “switchblade.” These keys fold down into an accessory handle for keys when not in use. The handle opens when the button is pressed, revealing the blade of the key. Locksmiths can repair the key blade or the key fob component of this kind of key, but they can be slightly more expensive than basic replacements. Smart keys are the newest technology in security for cars. They offer a fully-electronic system for unlocking and starting your car. The keys communicate with your vehicle using antennas that are embedded into the car's frame and body. This eliminates the requirement for traditional key blades and the necessity of inserting the key into the ignition. The most advanced models have the ability to lock and start your car without having to be connected to the ignition at all however this requires you be within the range of the vehicle. Key Fobs Key fobs are essentially remotes for cars that allow you to lock and start the vehicle without needing to touch the ignition. They are small, rectangular and come with buttons that can be used for many functions. From locking the doors to remotely starting your car, they can do it all. They attach to the car key using a tiny plastic case which may also have buttons to open the trunk or trigger an alarm. Some newer cars also have a combination key that provides the traditional key shank as well a key fob, with the latter usually controlling the ignition. They are also referred to as “transponder keys.” Most modern car owners don't know that they use their keys to unlock their vehicles. While these devices are fantastic for adding convenience to driving however, they have some drawbacks that should be considered. The most obvious issue is that a key fob could run out of battery. The key fob transmits an encoded code to unlock and start your vehicle. If the signal is lost or broken the key won't be able to start the car. Fortunately key fobs of today are designed to ward off these threats. They are typically programmed with a series of random numbers that can be used to generate unique unlocking sequences each time they transmit an alert to the car's system. This stops the old codes from being reused and renders any stolen key useless for thieves. If the key is lost, the key fob will be used as a backup to unlock and start the vehicle. Some manufacturers go a step further by offering apps that can be used to control the car in the event that you are unable to find your key fob. If you have a key fob that needs to be replaced, you should get in contact with an experienced locksmith. They can help you out, and their services are likely to be more affordable than a dealership.