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Smart Car Key Replacement Smart keys take the technology of car keys to the next level. These keys can unlock your doors and start your car at one simple click of a button. These keys can be more expensive than standard key fobs and are harder to replace. You can get a new smart car key from your dealer or a professional locksmith. Both are similar but offer different services. Keyless Entry System The keyless entry system of your car is a sophisticated security feature that allows you to unlock and start your vehicle without taking the key out of your pocket. This is accomplished by sending wireless signals to a receiver embedded into the interior of your car. The receiver then opens the doors, and it starts your engine. The key fob is an electronic device that has an unique identifier. It is paired with the receiver of your car. When you turn the key in your ignition, the matching pair indicates that you are close to the car and allows the car to open the door and start the engine. It can be a hassle to get your smart key replaced if you lose it. Most of the time, you'll need go to the dealer to provide proof of ownership. The dealer will then match an additional key to your vehicle. In certain modern vehicles, it is possible to make use of an app to replace the key fob. These systems, also commonly referred to as “keyless entry”, can be used to start and open the vehicle as well as lock or unlock the doors. This kind of system can be installed as an add-on to the factory remote you already have or as part of a custom security system. This type of system is also popular in corporate buildings and apartment complexes. Transponder Keys In essence, it's a car key that has a microchip embedded in it. The chip emits an electrical signal when it's close to the ignition that activates it. This makes it difficult for anyone to start your car without the original keys, which is a way to prevent the theft of your vehicle. The microchip is equipped with a digital serial number that authenticates the key to the vehicle. When the key is close to the ignition, the chip sends an low-level radio signal which an appropriate receiver inside the car picks up. It then sends a signal to the engine control unit (ECU) to turn on the ignition and start the car. In addition to the security benefit Key fobs can also open your door locks and allow you to open the windows and sunroof. It can even be used to switch off the immobilizer which disables the engine of your car when the key is removed from the ignition. Some more complicated types of chip keys come with multiple 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 using an resistor that has one of the 15 preset resistances in the key. If you're unable to locate your smart key, or it is lost, getting a replacement from the dealer might be a good alternative. However, this can be expensive and you'll need to pay a locksmith or a car dealer to reprogram the new key to your car. Smart Keys Keys Smart keys are now offered by a number of auto manufacturers. The days of pressing a keyhole or fiddling around with the keyhole are over. They're shaped like plastic cards, and include an electronic sensor that connects to the computer in your vehicle. They can unlock your vehicle, open the doors and start the ignition, all with no physical key. The original version of these keys demanded that drivers insert them into a slit where an onboard computer analyzed the signal. The most current RFID technology allows cars to be opened and started without the need for a slot. It is all you need is the key within 1.5 meters. Additionally smart keys will notify you ahead of time if the battery is running low. You can buy another key from a locksmith or follow the steps in the owner's manual to replace it. If you have a factory remote smart key, you can find out how to obtain a new one by searching your dealer's inventory, or by calling the dealer. You can also purchase an aftermarket key compatible with your vehicle at a parts retailer if you need one as a spare. They can pair it with your current key to avoid costly dealer charges. Then, you can use it as a backup in case you lose your primary key. Smart Key Replacement Many of the latest vehicles come with smart keys that unlock doors and start the engine, as well as perform other functions without a driver needing to physically touch or even hold their key fob. These keys communicate via antennas that detect and distinguish the specific signal from the key fob. The convenience of having a smart key for a car is the most obvious benefit. It eliminates the need for drivers to struggle with their keys when pulling out of their driveway and can cause them to lock themselves outside. It can also make entering and starting the vehicle much faster by eliminating the need to search for and push buttons on a traditional remote. A smart key also offers an additional level of security. While other key fobs emit the same frequency signal as yours smart keys transmit a unique encrypted signal, making it difficult for tech-savvy thieves to get a copy of your car's signal. Smart keys, however, can break or be lost just like any other kind of car key. However, smart car key case can help you replace your key. They can modify the new fob so that it connects to your car's computers, allowing you to lock and start your car again. All they require is an additional battery. Open the smart key fob and take out the old battery. Insert the new battery into the same holder. Make sure that the edges of the key fob meet.