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Smart Key For Car Smart key technology broadcasts different frequency signals each time you unlock or pop your trunk remotely. This makes it difficult for thieves using the same signal to wire a vehicle. This doesn't mean that your car is monitoring you, but it communicates with the key fob using radiofrequency waves. The battery indicator on most smart keys will alert you when your battery is low. Replacing the battery is easy and doesn't require any special tools. Simple to use In contrast to conventional keys, which require insertion into a keyhole to unlock the vehicle, smart keys rely on radiofrequency signals to communicate with your vehicle. They transmit encrypted data which allows you to unlock your car and start the engine. Smart keys are more secure than conventional ones since hackers require specialized equipment to intercept the signal that is sent between the smart key and car. The smart key is convenient because it can perform a variety of functions without having to touch your phone, or use an remote control. You can make use of an app on your smartphone to instruct the trunk of your car to open and close, or lock it. The app also allows you to transfer digital keys to other people such as babysitters or family members. One example is BMW's Display Key, which features a small LCD touchscreen with a color that can perform all the basic functions of a keyfob, as well as other cool features, like self parking. Lastly, most smart keys come with a backup mechanical key blade, which is concealed within the key fob. It can be used to unlock the door in the event that the battery of the smart key fails. The key blade is usually hidden under a removable plastic cap on the key fob. Convenient Smart keys let you unlock your doors and start your car without the necessity of a traditional key fob. Simply hit the front door's driver side handle (or trunk handle, depending on the model you have) and you're in. The built-in antenna in the key transmits a signal to the tuner in the car. The tuner sends a radio signal to the vehicle's lock/unlocking circuits. This unlocks or opens the trunk and doors. Some models come with an engine start function that works without the ignition key. This is an excellent safety feature especially when driving in an area that is not known to you and where criminals may be lurking. Making a mistake with a keyhole the dark could give criminals the perfect opportunity to get your personal belongings, or worse, your car. Smart keys can also save the settings you've made for your power seat, steering wheel, and mirrors. This makes it easier to return to your vehicle and use the same functions. This prevents you from losing your keys which is a possibility using traditional keys. Easy to carry Smart keys are easy to carry around in a purse or pocket for a lot of people. They can unlock or lock their doors, or open and close the trunk without having to press the button on their keychain. Alongside being practical keys, they are safe and secure. They run on batteries and alert you when their batteries are depleted. Change the battery in a smartkey is an easy process and only costs a few bucks. Smart key systems create encrypted signals that are difficult to copy by any code-stealing device. The smart key project these signals, which are interpreted by the computer in the vehicle. The computer will confirm the identity of the smart key and permit it to turn on the engine. This helps thwart car thieves. Smart keys can be programmed in just a few minutes with the assistance of a specialist at your local Pop-A-Lock store. Beware of mistakes that could result in serious damage to your car by following the directions carefully. After 30 seconds, you'll hear a long beep signaling that the smart key is now added to your vehicle. Safe A digital key allows you to lock and unlock your vehicle from your smartphone without worrying about losing the fob. You can also share your credentials to family members, friends and babysitters using the app from the car manufacturer. This allows you to control who is using your vehicle from an unsecure location, making sure that only authorized users have access. Additionally new smart car key protects against unauthorized use by blocking signals from outside the zone of the key. This is done through an alarm system that can detect if the driver and key are too far away from the vehicle. For example fueling stations. Most smart keys have an overshoot limit of 10 cm for the LF field in order to reduce this risk. Most smart keys will inform you when the battery is running low. Replacing the battery is an easy process that doesn't require specialized tools. Certain systems allow you to start your car even if the fob doesn't exist it's a useful feature in the event you forget it at home. Secure Smart keys utilize radio frequency identification (RFID) to communicate with your vehicle. The chip inside the smart key contains the code that can only be recognized by your car. When the key is in close proximity it sends an signal to the antenna on your vehicle to lock or unlock the doors and start the engine. If the key is outside range the car will shut off the engine and close its doors. Contrary to traditional remote keys, smart keys are more secure against thieves with a tech-savvy. Open Road Auto Group explains that smart keys transmit a different frequency signal every time you use them, meaning that an additional key cannot be able to intercept the signals and open your vehicle. Furthermore, keys that are digital using UWB and BLE technologies—which aren't vulnerable to MITM attacks—are also more secure against theft. And, if you lose your digital key it is still possible to access your car through its smartphone application. A lot of digital car keys come with battery indicators which will notify you when the battery is low. The battery can be replaced without special tools.