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Smart Car Key Replacement Smart keys are the next step in car key technology. These types of keys unlock your doors and even start the car with a touch of an button. These keys can be more expensive than standard keys and are harder to replace. You can buy a new smart key from a local dealership or from an expert locksmith. Both are the same, but provide different services. Keyless Entry System The keyless entry system of your car is an advanced security feature that lets you unlock and start your car without having to take the key out of your pocket. It works by transmitting wireless signals to a receiver embedded into the interior of your car. The receiver then activates the doors, and it starts your engine. The key fob is an electronic chip that contains an unique identifier that is paired with the car's receiver. When you turn the key into your ignition, the paired pair signals that you are near to the car and allows the car to open the door and start the engine. If you lose your smart key, it could be a nightmare to get it replaced. You will often need to visit your dealer in order to prove ownership. The dealer can then pair the new key to your car. Some modern vehicles allow users to use an app on your smartphone to replace the key fob. These systems, also commonly referred to as “keyless entry” can be used to open and shut off the car, as well as lock or unlock the doors. This type of system can be added to the factory remote you already have or as a part of a custom security package. It is also used in corporate and apartment building entrances. Transponder Keys It's basically a car key that has a microchip integrated into it. The chip emits an activating signal when it is close to the ignition. This makes it difficult for anyone to start your car without the original keys, which helps prevent auto theft. The microchip is a digital serial code that authenticates the key. When the key is close to the ignition, the chip transmits an unintentional radio signal that a special receiver inside the car detects. It then transmits the signal to the engine controller unit (ECU) in order to start the car. Apart from the security benefit keys can also open your door locks and allow you to open the windows and the sunroof. smart car replacement key can also be used to switch off your immobilizer that disables the engine of your vehicle when the key is taken out of the ignition. Certain more complex types of keys that are chip-based have different levels of security. The VATS keys of GM have an anti-theft function that stops the car from starting in the event of using the incorrect key. This is accomplished by having a different resistor within the key that is one of the 15 resistances to be preset. A replacement smart key from a dealer is a good option if you cannot locate your smart keys in the event that they have been lost. However, it can be costly and you'll likely have to pay for an auto dealer or locksmith to reprogram your new car key. Smart Keys Keys Smart keys are now offered by a number of auto manufacturers. The days of pressing a keyhole and trying to find the keyhole are over. They look like plastic cards, and they come with an electronic sensor that connects to the car's computer. They can unlock your vehicle, open the doors, and start the ignition without the physical car keys. The initial versions of these keys required drivers to insert them into a slot, where an onboard computer would verify the signal. However, the newest RFID technology allows you to start and open cars without the need for a slot. In fact, you need the key to be within 1.5 meters of the vehicle. In addition smart keys will inform you well in advance when the battery is low. You can then buy an alternative from a locksmith or follow the steps in the owner's guide to replace it yourself. If you are using a factory remote-controlled smart key it is possible to find out the procedure to get a replacement one by scouring your dealer's inventory or contacting the dealership. You can also purchase an aftermarket key compatible with your vehicle from a parts store if you need one as a spare. They typically match it to your existing key to avoid a large dealer charge. You can also use it as a backup in the event you lose your main key. Smart Key Replacement A lot of newer cars are equipped with smart keys that unlock doors and even start the engine. They also perform other functions without a driver having to physically touch or hold their key fob. These keys work by communicating with antennas in the car which detect and recognize a specific signal from the key fob. The primary benefit of the smart car keys is its convenience. It will eliminate the need to mess around with keys as you pull out of the driveway. This could result in drivers locking themselves out of the vehicle. It also makes starting and entering the vehicle a lot faster by eliminating the need to locate and press buttons on traditional remotes. Another benefit of having a smart key is its enhanced security. Smart keys emit a unique encrypted signal that isn't like other key fobs. This makes it harder for thieves to duplicate your signal. Smart keys could, however be damaged or lost just like any other kind of car key. Fortunately, a locksmith can help you replace yours. They can modify the new fob so it is connected to the computer system in your car and allows you to lock and start your vehicle again. All they need is an extra battery. Open the smart key fob and remove the battery that was in it. Place the new battery in the same holder. Make sure that the edges of the key fob are level.