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What You Should Know About Smart Keys Smart keys, also referred to as keys that are digital or information keys permit drivers to open their vehicle without the need to use a traditional keyhole. Some vehicles come with them as standard features, while others provide them as an upgrade. The technology is more advanced than the traditional key fob as well. replacement smart car key G28 Car Keys let you start the vehicle without a traditional key fob or even a key. The best systems also have indicators for batteries that alert you when the battery is low. Security Smart keys are more practical than traditional keys and also come with additional security and safety features. They communicate with the computer system of your car using radio-frequency identification (RFID). If the key is within the range of the antenna it is able to unlock the doors and start the car, without the need to use a phone or push a button. While this may sound like a useful feature however, thieves could also hack into the system to unlock your doors and then start the engine. Some manufacturers use “rolling code” technology to block this. This code is projected by the key onto the starter and later verified by the computer of the car prior to it starting. This prevents thieves creating multiple copies of the keys. Another method to keep your car safe is to ensure that you don't put the key and mobile phone in the same pocket. If you place the two devices too close together can block the signals, preventing them from sending signals properly. The KeySmart Pro has a built in Tile that can help you locate your phone. When you place the Smart Key next to your iPhone with the application installed when you press the activation key, it will cause the Tile to play a short tune and flash an LED. This can be extremely helpful when you've lost your phone in a dark place or even if it's in silent mode. Convenience In addition to locking and unlocking your vehicle smart keys can also save and recall individual settings, such as seat, mirror and steering wheel alignment. Some, like BMW's Comfort Access, even allow you to start your vehicle without having to hit the ignition button. Modern smart keys communicate with car's antennas through radio waves. They transmit a unique encrypted message which is interpreted and then acted upon by the computer. These signals can be programmed to perform different tasks like opening and closing the trunk, or activating an electronic child lock. The technology isn't 100% secure. It's possible for tech-savvy thieves to recognize the frequency of a smart key and intercept its unique identification number. Fortunately for us, the industry has been striving to increase the security of the system. Another useful feature is the capability to remotely lock and unlock your vehicle using a simple tap of the phone's screen. This feature can save you time when loading children or cargo. It is especially useful when you have teenagers who are learning to drive. One of the best features of a smart key is its sleek slim design. This makes it much simpler to carry than other key organizers which can be bulky and take up more space than is needed. The KeySmart is quiet and comfortable to use, removing that annoying jingle. Battery Life Smart keys are typically half as long (two to three versus four to six years) as traditional fobs. The smart keys must communicate with the car at a faster rate and more frequently in order to unlock and start the vehicle. Smart keys also consume more energy when placed near electronic devices that generate electromagnetic fields like computers, phones and screens. Most smart keys come with battery backup options. According to Open Road Auto Group most smart keys come with a blade that can be used as a traditional key for doors in the event the battery of the smart key fob fails. The majority of them have a slot in which an old-fashioned key can be inserted to start the engine in the event that the smart key fob isn't working or dead. A “power saving mode” is a different smart key backup. If you lose your smart key while driving, your car will continue to run until it is not in operation. To achieve this, you should place the smart key flat against the steering column of your vehicle while pressing the ignition button one time. If you've done it correctly, the system will notify the driver that it's low on the key but still functioning. Cost Smart keys aren't always affordable. Many car owners upgrade to smart keys to improve security and convenience. It can be costly to replace the lost smart keys and reprogram your car. Smart keys are similar to regular keys, but have an embedded microchip that is able to unlock, lock, or start the vehicle without physically inserted keys. The chip transmits an unique code to the vehicle system, which identifies and validates the code prior to starting the engine. This technology has been around for some time but it's not perfect. There have been numerous instances of thieves taking vehicles using this method. There are ways to stop this from happening. One way is to use a smart key with rolling security codes that alters the code every time it's used. A key fob that features a display screen is also extremely expensive. BMW's Display Key, a smart key of this kind, is a good example. Its LCD color touchscreen does the typical functions of a key fob like locking, unlocking and keyless start, but it can also send commands from smartphones to the vehicle's systems. This makes it easier to use the vehicle, and also keep in mind its charging and location. It can even instruct the vehicle to park itself. This is a fantastic option for those with handicaps or mobility issues.