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Smart Car Key Replacement Smart keys take car key technology one step further. They can open your doors and even start your car with the push of a switch. These keys can be more expensive than standard keys and are more difficult to replace. You can get a replacement smart key from a local dealership or through an expert locksmith. Both are the same, but offer different service. Keyless Entry System The keyless entry system in your car is a sophisticated security feature that lets you unlock and start your car without taking the key from your pocket. This is accomplished by transmitting the wireless signal to a receiver built into the interior of your car. The receiver is activated by the vehicle's doors and kicks off the engine. The key fob is an electronic chip which has an unique identifier. It is connected to the receiver of your car. When you turn your key in the ignition the matched pairs signal that you're in the vicinity of the car. The car can then open the door or begin the engine. It could be a headache getting your smart key replaced if you lose it. You'll usually need to visit your dealer to verify ownership. They can then pair your new key with your car. Certain vehicles of the present allow the use of an app for your smartphone to replace the key fob. These systems, which are called “keyless entry” can be used to open and start the car, 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 a part of a security package that is custom-designed. It is also used in corporate and apartment building entrances. Transponder Keys This is a key with an embedded microchip. The chip emits an activation signal when it gets close to ignition. This makes it impossible for anyone without the original key to start your car, thereby aiding in stopping auto theft. The microchip comes with a serial number that authenticates the key to the vehicle. When the key is near to the ignition, the chip sends an unintentional radio signal that a special receiver inside the car detects. The signal is then sent to the engine controller unit (ECU) in order to get the car started. In addition to the security benefits, a key fob can also open your door locks and let you open windows and the sunroof. It can also be used to switch off your immobilizer that will shut down the engine of your car when the key is taken out of the ignition. Some of the more complex varieties of keys with chip technology have several levels of security. GM's VATS key has an anti-theft feature that prevents the car from starting if you use the wrong key. This is done by using a resistor that is one of 15 preset resistors within the key. A dealer replacement smart key could be the best choice for you if you are unable to locate your smart keys, or should they be lost. This could be expensive and you may need pay a locksmith or an auto dealer to reprogram the new key. Smart Keys Smart keys are now available from several car manufacturers. The days of pressing a keyhole or playing around with the keyhole are over. These keys resemble plastic cards and come with an electronic sensor that connects to a computer in the vehicle. They can unlock your vehicle, open the doors, and even start the ignition without the physical car keys. The first versions of these keys required drivers to insert them into a slot that computers onboard would be able to verify the signal. However, the most recent 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 inform you in advance when the battery is not fully charged. You can then either buy an alternative from a locksmith or follow the instructions in the owner's manual to replace it yourself. smart key car can order a new smart factory key by calling or searching the dealer's inventory. If you require an additional key, you can purchase a compatible aftermarket key from a dealer for car parts. They can usually pair it with your current key to avoid a large dealer fee. It can be used to replace your primary key in the event 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 hold their key fob. The keys communicate with antennas that detect and distinguish the specific signal from the keyfob. The convenience of a smart key for a car is the main benefit. It makes it less difficult to fiddle around with keys every time you exit the driveway. This can cause drivers to lock themselves out of the vehicle. It makes starting and entering the vehicle much faster because it eliminates the need to locate and press buttons on the traditional remote. Another advantage of a smart key is the added security. Smart keys emit an unique encrypted signal that isn't identical to other key fobs. This makes it difficult for thieves to copy your signature. Smart keys, however, can, break or become lost, just like any type of car key. Locksmiths can repair or replace yours. They can reprogram a new device to connect to the car's computer to allow you to lock and start it again. All they need is a replacement battery. Open the smart key fob and then take out the battery that was in it. Then, place the new one into the same holder, and match up each edge with the fob to ensure it's flush with the fob at every point.