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What Can a Smart Car Key Fob Do For You? Mercedes introduced the first fobs in 1998. g28carkeys.co.uk are also referred to as smart keys, keyless entry, or keyless entry fobs. These computer-controlled fobs are capable of performing many tasks, such as locking and unlocking the car or getting it started. They function by broadcasting an encrypted stream. This makes them more receptive to tech-savvy thieves. Safety A smart key fob that communicates continuously with a vehicle through radiofrequency waves. It sends out a low-power signal that, upon pressing it, signals the vehicle to unlock doors and begin the engine. The car can recognize the unique encrypted code of a particular keyfob. This means that if the keyfob is stolen, the car will not be started. But a new type of hacking technique can enable thieves to gain access to that communication. Relay attacks are carried out with devices that transmit at the same rate as keys. A burglar can put one of these devices in a purse or hiding location to thwart the lock command from a distance, according to How Stuff Works Electronics. This is a risk that could become more commonplace as more drivers adopt smart keys. A smart key fob is not only a security tool, but it can also make your life easier by automatically taking care of the needs of your vehicle. For example a key fob linked to your smartphone can detect your proximity and unlock the doors, meaning that it's not necessary to press the remote button. It can also sense when you're leaving and auto-lock the car, so you don't have to worry about not locking the doors. Many smart key fobs feature a battery indicator that alerts you when the battery is not fully charged. In addition, replacing the battery on most models is a quick and simple procedure that doesn't require any special tools. Convenience Unlike a traditional metal key Smart keys do NOT require physical insertion into the ignition slot to unlock or start a car. Instead, the driver has to put it on their person and bring it within the range of the vehicle, as explained by the BMW Group. Certain smart keys, such as the Display Key, have tiny LCD touchscreen that grants users access to features like locking, unlocking and keyless start directly from their key fob, without the need to connect to the Bluetooth system of the car. Another way that smart keys can help save time for drivers is by automatizing the process of locking their doors when they leave. This feature is found in a number of vehicles, as per Consumer Reports, and can also help get into tight parking spaces without accidentally squeezing something someone. Open Road Auto Group explains that smart key systems don't transmit the same frequency signal in a series of which can make them more susceptible to relay attacks. Therefore, a stolen vehicle cannot be hotwired if it is equipped with a smart key since the encrypted signal that the key fob transmits is unique to each vehicle. This technology makes it extremely difficult for thieves to steal a car. Security Modern cars come with more advanced electronic features than ever before, and some of them are housed in the key fob. These gadgets are capable of much more than simply locking and unlocking doors, or making chirping sounds to help drivers locate their vehicle in parking areas. However, some owners may be unaware of the full capabilities. For instance, some smart keys can activate a vehicle's automatic windows and sunroof when activated. A auto editor from CR once walked out to her Honda Accord only to find all the windows closed and sunroof open. She was grateful for her Smart Key that automatically locked the car. Some smart keys use computer-encrypted signals to stop car thieves, according to How Stuff Works. This technology can prevent hotwiring in which thieves steal a vehicle's engine controller module (ECM), usually located at the front of the engine. The ECM manages a range of important functions, including transmission control and engine power. Smart keys also include anti-theft codes, as well as an unique ID security code that is assigned to each key. This will disable ignition when the wrong key is used. The security ID is a code that's sent from the ECM to the key after it's placed into the ignition. It is then confirmed by a sensor in the car. Maintenance A smart car key fob does more than just unlock your door. It can start your engine and operate the suspension and brakes remotely. It also can provide details about your car, like fuel level and temperature of the oil. Like all electronic equipment like a smart car key fob requires regular maintenance to function effectively. Modern key fobs have indicators for batteries that notify the driver when it's time to replace the battery. It is simple to replace the battery and you don't require any special tools. In some cases, however, a smart key may stop functioning entirely. If you suspect this is the cause, try to reset the smart key by removing the vehicle, then returning inside. This will enable the car to understand that the key fob is in the vehicle and let it to be used again. Contact a locksmith if have trouble getting your key fob to function. They can reprogram it to ensure that your car recognizes it again and allows you to use all of its features. It's generally more economical to do this than buy the new fob for your key, and it will save you money in the end. In some instances locksmiths are able to fix an existing fob in order to be used to make a new key. This can save you money in the end.