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Smart Car Key Replacement Smart keys take the technology of car keys an extra step. These types of keys can unlock your doors and even start the car with a touch of one button. These keys can be more expensive than standard key fobs, and are more difficult to replace. You can obtain a replacement smart car key from your dealer or a professional locksmith. Both are similar, but provide different services. Keyless Entry System The keyless entry system in your car is a sophisticated security feature that allows you to unlock and start your car without taking the key from your pocket. This is done by sending wireless signals to a receiver embedded into the interior of your vehicle. The receiver activates your vehicle's doors and kicks off the engine. Key fobs contain an electronic chip that is equipped with an identifier unique to it that is coupled to the receiver of your car. When you turn the key in your ignition, the pair signals that you are close to your car and allows the car to open the door and start the engine. It can be a hassle to get your smart key replaced in the event that you lose it. In most cases, you'll have go to the dealer to show proof of ownership. They can then connect your new key with your car. In some modern vehicles, you can use an app to replace the key fob. These systems, also called “keyless entry” can be used to start and open the car as well as to lock or unlock the doors. This kind of system can be installed as an add-on to your current factory remote or as part of a custom security system. It is also a popular feature in corporate and apartment building entrances. Transponder Keys This is a key that has embedded microchip. The chip emits an alarm when it's close to the ignition, which allows it to activate it. This makes it impossible for anyone else without the original key to start your car, thereby helping to prevent auto theft. The microchip contains a digital serial number that authenticates the key to the vehicle. When the key is close to the ignition, the chip transmits an extremely low-level radio signal, which a specific receiver in the car detects. It then transmits the signal to the engine controller unit (ECU) in order to allow the car to start. In smart car key fob to having the security benefits A key fob can also open your door locks and allow you to open the sunroof and windows. It is also able to switch off your immobilizer that blocks the engine of your vehicle when the key is taken out of the ignition. Certain chip keys are more complex and offer multiple levels of security. For example, GM's VATS keys come with an anti-theft system that stops your car from starting in the event of a wrong key being used. This is accomplished by using an resistor that has one of 15 preset resistors in the key. A replacement smart key from a dealer may be the best option if you cannot find your smart keys or when they've been stolen. However, this is expensive and you'll need to pay for an auto dealer or locksmith to reprogram your new key to your car. Smart Keys The days of fumbling with the keyhole or pressing a button are long gone. A handful of car manufacturers are now offering smart keys as an alternative. They are designed like plastic cards and have an electronic sensor that connects to the computer in your vehicle. They can unlock your car as well as open doors and start the ignition with the physical car keys. The original iterations 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. It is all you need is the key within 1.5 meters. Additionally smart keys will notify you in advance when the battery is depleted. You can purchase an additional key from a locksmith, or follow the steps in your owner's guide to replace it. You can purchase a replacement smart factory key by calling or searching the dealer's inventory. If you require an additional key, you may purchase an aftermarket compatible key from a dealership selling car parts. They can pair it with your current key to avoid costly dealer charges. It can be used as a backup in the event that you lose your primary key. Smart Key Replacement Many of the latest vehicles come with smart keys that can unlock doors and start the engine, as well as perform other functions without having to physically touch or even hold their key fob. They communicate with antennas in the car that recognize a specific signal from the key fob. The convenience of a smart key for cars is one of the biggest benefits. It takes away the need for drivers to struggle with their keys when they get out of their driveways and could cause them to lock themselves out. It also makes entering and starting the vehicle a lot more efficient by not having to find and push buttons on traditional remotes. Smart keys also provide added security. Smart keys emit an encrypted signal that is not like other key fobs. This makes it more difficult for thieves to copy your signature. However, as with any other type of car keys, smart keys can be damaged or lost. The good news is that a locksmith will help you replace your key. They can reprogram the new fob to connect to your car's computer so that you can lock it and then start it. All they need is a new battery. Open the smart key fob, then 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 in line.