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Smart Keys For Cars Smart keys are wireless remotes which allow you to open doors and pop the trunk without the need for a traditional mechanical blade. It also lets you start the vehicle without having to turn the key. The majority of smart phones come with battery indicators and will notify you well in advance of a low charge. Replacing the battery is a fast and easy process that doesn't require any specialized tools. Convenience Smart keys can open doors or trunks, and also turn on the engine of the car without the need to use a metal key. They also have features designed to deter vehicle burglaries and thefts, such as a panic key that makes noises to frighten potential thieves in remote areas such as garages that are underground. These key fobs perform all of these functions via an audio signal between the car key fob and the car, using low-power wireless technology. This is a wonderful feature for drivers who are on the move and don't have a lot of time. A smart key is typically made to look more like a plastic card than an actual key, and it can be used to open the trunk or car's doors when a button on the fob is pressed. Some even have a built-in touchscreen to allow users to control certain settings on their vehicle, like the climate and the audio. The RFID signal transmitted between the key fob and the vehicle is distinct, encrypted, and tied to the computer onboard this makes it virtually impossible for tech-savvy thieves to hotwire a stolen vehicle equipped with one. These fobs are also programmable to send a different frequency signal every time they're used, to ensure that the computer isn't able to recognize the old one as the real signal. Security Many people are hesitant to adopt digital keys because they are worried about security. While having a tangible key fob at hand does make you feel more secure, it's crucial to know that digital keys are more secure than you might think. They're encrypted and the signal they send to a vehicle can be verified by a computer onboard. The car won't start in the event that the smart key fob is compromised. g28carkeys.co.uk , unlike traditional key fobs work by using the built-in antennas of your vehicle to communicate with it and perform basic tasks like unlocking or starting your vehicle. This allows you to access your vehicle without the need to insert an actual key into the lock or ignition, which is often an inconvenience. Most systems provide an alternative method of opening and starting your vehicle in the event of losing your smartkey or if the battery goes out. Emergency starting is achieved by placing the key into a slot, or holding it in a certain part of the cockpit where an inductive coil is able to transfer energy. Additionally, the majority of smart keys come with a low-battery indicator that warns you well before the battery goes out completely. If needed, you can easily replace the batteries on your own. Auto-adjusting settings Rather than using a physical key rather than a physical key, the smart key uses radio waves to unlock and lock the car. The smart key also allows you to remotely start the engine and track your vehicle's location if it is lost. it. Certain smart keys are programmed to automatically adjust the interior and exterior of the vehicle based on the key detected. The car will automatically adjust seat position and mirror settings, as well as climate control based upon the type of key used. This is useful if you have multiple drivers or want to restrict certain features when lending your car to an inexperienced driver. Smart keys also have the advantage of encryption to stop theft. This isn't a possibility with traditional keys. This technology makes it extremely difficult for thieves who are tech-savvy to gain access to a vehicle by using an authentic frequency signal, reports How Stuff Works Electronics. Smart keys transmit a unique encrypted signal each time the vehicle is unlocked or remotely opened. As with any other device powered by batteries the battery of a smart keys will eventually run out of juice. Most of the systems are designed with a backup method to unlock and start the car in the event that the battery fails. The emergency method can vary but usually it involves holding the key in proximity to the lock sensor on the car or pressing a key button that triggers the emergency starter. Battery backup Modern smart keys, also referred to as keyless access systems or passive entry, use a transmitter and receiver to unlock your vehicle. The transmitter is integrated into the key fob you carry around with you, and the receivers are located inside your vehicle and around the outside. When you approach the vehicle, the radio frequency signal from your smart key is interpreted by the receivers and activates the doors and ignition. This system offers many advantages, like not having to look in the dark to find keys, however it is also vulnerable to certain types of attacks. How Stuff Works Electronics reports that if your key's battery goes out or is damaged, someone could pick up the low frequency transmission signal and open your vehicle. The majority of smart keys come with encrypted signals, making hacking more difficult. If you notice that the smart key fob doesn't perform as it should, it could be due to a problem with interference. In this case, you should not put your key near any device until the battery of the fob has been replaced. Fortunately, most smart keys will notify you well in advance when their batteries are low and the process to replace them is quite simple.