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Smart Car Key Replacement Smart keys are the next step in car key technology. These keys can unlock your doors and start the car with a click of a button. They may cost more 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 comparable, but provide different services. Keyless Entry System The keyless entry feature that comes with your car provides a superior level of security that allows you to open your vehicle and start it without removing the key from your pocket. This is accomplished by transmitting an wireless signal that is received by a receiver that is built into the interior of your car. The receiver then opens the doors and then starts the engine. A key fob has an electronic chip that is equipped with an identifier unique to it that is connected to the car's receiver. When you switch the key in your ignition, the pair informs you that you're 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 hassle to replace it. You'll often have to visit your dealer in order to prove ownership. They can then pair the new key to your car. Certain vehicles of the present allow you to use an application for your smartphone to replace the key fob. These systems, commonly referred to as “keyless entry”, can be used to open and shut off the vehicle as well as lock or unlock the doors. This kind of system can be added to the factory remote you already have or as a part of a customized security package. This system is also popular in apartments and corporate buildings. Transponder Keys Basically, this is a car key that has a microchip integrated into it. The chip emits an activating signal whenever it comes close to the ignition. This makes it impossible for anyone else without the original key to start your car, thereby helping to prevent auto theft. The microchip comes with a serial number that authenticates the key to the vehicle. When the key is near the ignition, the microchip will send a low level radio signal to a special receiver inside the car. The signal is then sent to the engine controller unit (ECU) in order to begin the car. Aside from having the security benefit, a key fob can also open your door locks and let you open the windows and sunroof. It is also able to turn off your immobilizer which disables the engine of your car when the key is pulled out of the ignition. Certain more complex types of keys that are chip-based have different levels of security features. For example, the VATS keys from GM include an anti-theft mechanism that stops your car from starting if the wrong key is used. This is accomplished by using a resistor that is one of the 15 preset resistances within the key. A replacement smart key from a dealer is a good option when you can't locate your smart keys, or should they be lost. However, this can be expensive and you will likely need to pay a locksmith or a car dealer to program your new key to your car. Smart Keys Keys The days of fiddling with the keyhole or pressing a button are gone. A few automobile manufacturers now offer smart keys as an option. They look like plastic cards, and they contain an electronic sensor that connects to the vehicle's computer. They can unlock your vehicle and also open the doors and start the ignition without the use of a physical car key. The original version of these keys demanded that drivers insert them into a slit in which an onboard computer verified the signal. But the latest RFID technology makes it possible to open and start vehicles without the need for a slot. You only need to have the key within 1.5 meters. Additionally smart keys will notify you ahead of time when the battery is running low. You can either purchase an alternative from a locksmith or follow the steps in your owner's manual to replace it yourself. If you have a factory-issued remote smart key and want to know how to obtain a new one by scouring your dealer's inventory or calling the dealership. If you need an extra key, you can purchase an aftermarket compatible key from a dealer for car parts. They typically connect it to your existing key to avoid paying a dealer charge. You can use it as a backup key in case you lose your primary key. Smart Key Replacement Smart keys are available in many modern automobiles. They can unlock doors or start engines, and do other things without the driver needing to touch or hold their key fob. These keys communicate via antennas which detect and recognize the exact signal from the key fob. smart forfour key of a smart car key is its convenience. It makes it less difficult to fiddle around with keys as you pull out of the driveway. This could result in drivers locking themselves outside. It makes the process of starting and entering the vehicle much faster because it eliminates the need to search for and push buttons on the traditional remote. Another benefit of a key is its increased security. While other keys can emit the same frequency signal as yours, smart keys send out a unique encrypted signal, making it much more difficult for tech-savvy thieves to get an identical copy of your car's signal. However, as with any other kind of car key, smart keys can be damaged or lost. Locksmiths can repair or replace yours. They can reprogram a new fob to connect to your car's system to allow you to lock it and then start it. All they require is a replacement battery. Open the smart key fob and take out the battery that was in it. Then, insert the new one into the same holder, matching up each edge with the fob to make sure it's flush with the fob at every point.