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Different Types of Car Key Replacement Finding a replacement for your car key can be a challenge. It can also be costly if you choose the wrong type of key. Traditional keys that stick in an ignition cylinder are easy for an auto locksmith to replace. Most modern cars require key fobs that need to be programmed either by an automotive expert or by dealers. Transponder Key Transponder keys, also known as “chip keys,” are a bit more sophisticated than the typical lock and ignition key. These keys contain a microchip embedded within the key's head that authenticates your car key as a genuine one, not a duplicate. When the key is put into the ignition and turned, the engine will send out an encrypted message to the chip within the key. The chip will respond with its own unique code, and only if the codes match can the car be started. This is how the car's immobilizer prevents theft of cars that have these types of keys. Transponder keys are available in many different designs however, they all perform the same. When a transponder keys is put into the ignition the microchip transmits an audio frequency signal to the receiver inside of the car's immobilizer system. The car will see if the code is the same as the one of the key. If it does it, the car will allow fuel delivery and then start up. This is a very effective security measure to prevent theft, since the car will only start when it has a valid key. In addition to being an effective anti-theft system, transponder keys have the added benefit of being more affordable to make and use than traditional metal keys. However, a transponder key must be programmed to work properly with the car. While some try to program their own transponder keys, it is generally recommended they be professionally programmed by locksmiths. A professional locksmith will utilize an instrument to diagnose with your car's computer system and enter the programming mode. The locksmith will then connect the transponder to the diagnostic device and use the diagnostic to send a radio-frequency signal to the chip on the car key. The transponder key will respond to the signal with its own unique code, and after that, the car will permit fuel delivery and begin to start. The process is generally simple and quick, however it can be a challenge when the car's key is not the correct type. Smart Key Many car owners still use traditional groove-cut keys to open their doors and start their engines. While this is a great convenience, it's also a technology that may be about to be replaced by advances in the field of automobile engineering. Smart Key is a new automotive feature that's gaining in popularity. This small, computer-controlled device allows keyless entry to a whole new level. Many manufacturers offer this feature as a standard or optional accessory in their design. The Smart Key contains a chip that allows the vehicle to recognize it via a series of built-in antennas on your vehicle's bodywork. Once it's recognized the Smart Key allows you to perform basic functions such as locking and unlocking without taking it out of your pocket or purse. It also has the proximity mode, which lets you start the engine by pressing a button or turning a key. When you lock your Smart Key, the car's computer triggers a pre-start security check to ensure that you are in park and have your foot on the brake before it will allow the engine to turn over and start. It could even send a signal to a nearby mobile phone to prevent the vehicle from starting if it thinks that your key is far away. Most Smart Keys come with a mechanical backup that you can use in the event of a battery failure. They also warn you when the batteries are running low. You can also request a duplicate locksmith in your area and program an entirely new Smart Key to save you the cost of a dealer replacement. Despite the security features the Smart Key offers, researchers and criminals are always looking for ways to gain access to the vehicle. Fortunately, many of these methods are pretty simple and easy to implement. The most important thing to remember is that a spare smart key is something you should keep in a safe place in case of an emergency. Additionally, it's a good idea to have some type of insurance for your vehicle when the inevitable happens. Keyless Entry Remote A keyless entry remote, also known as a wireless key fob is small device that allows you to open your vehicle without needing to insert an actual key. The onboard system of your vehicle detects the proximity of the fob, opens the doors, and lets you drive. This feature is present in all modern vehicles, including some electric ones. It's a great option for those who want to have more convenience. Fobs can also be used to start your car remotely and warm up the engine on cold days. This feature is referred to as push-button start, Intelligent Key, or Smart Key and is available on a variety of models. This feature is extremely convenient, but you should be aware that when your keyless entry remote can't be stowed in your pocket and you leave your vehicle running, you could be a victim of carbon monoxide poisoning. It is also possible to lock your keys inside your car, which can be a big problem when you don't have a spare. Some manufacturers have developed solutions to this problem, such as systems which sound an alarm or acquaint the horn with when you remove the keyless entry remote from the car, even if it is still operating. Additionally, some vehicles also have the option of shifting automatically into park once the key fob is removed from the vehicle. This is a security measure that might not work on all models or in all circumstances. Some drivers have left their cars running even though the keys were in the car. The good thing is that they're simple to operate and can be extremely convenient for drivers with issues with their hands, or whose hands aren't quite as strong as they were before. The only downside is that they can be more difficult to operate, and they don't necessarily offer the same level of security against theft as the traditional keys. Keyless entry remotes can cost a lot to replace if they are lost or damaged and the basic insurance for cars will not typically cover them. You can reduce the cost by taking care to store your key fobs properly and regularly checking them for signs of wear and tear, and using all of their buttons regularly. Switchblade Key In the late 1990s, General Motors introduced what they referred to as VATS keys (Vehicle Anti-Theft System). Key blades with VATS have an electronic resistor that when placed in the ignition, sends an electronic signal to your car's computer to disable the engine. If the key is not correctly inserted or the key circuits aren't closed, it will transmit enough of a signal that the computer can detect and interrupt the flow of power to your car's electrical systems, which will prevent the engine from turning over. A high-quality VATS is designed in a manner that guarantees it will always be in the correct position to be deployed. The blade is large and has an activation button that allows for quick activation while wearing gloves. It also features a double-lock pin to avoid accidental deployment. The handle is made of grivory to ensure durability. A lot of key fobs come with small keys of metal embedded inside them. It can be used to start the car if the fob is not working. The car key is able to be inserted into and out of the fob. It is usually located below the ignition starter button, in the steering column, or in the console. Smart keys are a different kind of car key. They don't have the traditional blade, but instead communicate with a sensor inside your car to open the doors and to start the engine. They are regarded as more secure than regular keys because they cannot be tampered with. However, they can be replaced by the dealer if they're damaged or lost. They're generally more expensive than other types of car keys because they require a unique code to connect to the vehicle. If you have lost a smart car key, you'll require your vehicle and proof of ownership to the dealership to purchase a replacement. The new key may take a few days to arrive at your dealer from the manufacturer. ignition repair cost will then have to be programmed to match your specific vehicle. The cost of replacing of both the key fob part and the switchblade may vary from $200 to $300, depending on the dealer and your location as along with your car's make and model.