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What You Should Know About Smart Keys Smart keys – also referred to digital keys or information keys – let drivers access their vehicles without having to search for a keyhole. Certain vehicles include them as standard features, whereas others offer them as an upgrade option. The technology is much more advanced than the traditional key fob, as well. Some systems have emergency starting features that allow you to open the car and start the engine without the need for a key fob (or even the traditional one). The best ones also come with battery indicators that alert you in advance when the battery is about to expire. Security Smart keys are more useful than traditional keys and come with additional security and safety features. They communicate with the computer system in your car via radio-frequency identification (RFID). An antenna on your car will detect the signal of the key when it's within range, allowing you to unlock your doors and start the engine without having to pull out your phone or press a button. While this may seem like a great idea however, car thieves can hack into the system to open your doors and then start the engine. Some manufacturers use “rolling code” technology to prevent this. The code is projected from the key to the starter and is verified by the computer in the car prior to it starts. This stops thieves from making multiple copies of the key. You can also keep your car secure by not keeping your phone and the key in the same pocket. The signals can be blocked when the two devices are placed too close together. The KeySmart Pro has a built in Tile that can help you locate your phone. If you have the application installed on your iPhone and place the Smart Key near it, pressing its activation button triggers the Tile to play an unintentional melody and flash an LED. This could be life-saving should you lose your phone or if it's on silent mode. Convenience Smart keys can be used to store and remember personal settings including seat, mirror and steering wheel settings. G28 Car Keys , such as BMW's Comfort Access system, allow you to start the vehicle without having to press the ignition button. Modern smart keys communicate with car's antennas by using radio waves. They transmit a unique encrypted message that is then interpreted and then acted upon by the computer. The signals can be reprogrammed to perform various functions like opening and closing the trunk, or engaging a child lock. The technology isn't 100% secure. Criminals with a sophisticated technology can steal the unique identification number of a smartkey by picking up its frequency transmission. Fortunately, companies are striving to make the system more secure. A useful feature is the ability to remotely lock and unlock your vehicle by pressing the screen of your smartphone. This will save time when loading children or cargo. It can be particularly beneficial if you're a parent with teenage kids who are just learning how to drive. One of the greatest features of a smart key is its sleek slim design. It's easier to carry than other key organizers that can be heavy and take up more space than is necessary. KeySmart is also quiet and comfortable to carry. KeySmart is also quiet and comfortable to carry, and eliminates the annoying jingle which can cause you to become agitated. Battery Life Smart keys are typically half as long (two to three years versus four to six years) as regular fobs. This is due to the fact that the smart keys communicate with the car more often and at a higher rate to unlock it and start it. Smart keys can also be drained faster if they are placed close to electronic devices, such as phones, computers or screens that generate electromagnetic fields. Fortunately, many smart keys come with battery backup functions. 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 dies. A majority have a slot where an old-fashioned key can be inserted to start the engine in the event that the smart key fob is not functioning or is dead. A “power saving mode” is another smart key backup. If you forget your smart key while driving, your vehicle will continue to run for regardless of whether it's not running. In order to do this, you need to place the smart key flat against the steering column of your vehicle before pressing the ignition button once. If you do this correctly, your system will inform the driver that the key is depleted but it's still functioning. Cost Smart keys are not always inexpensive. Many car owners upgrade to smart keys to increase convenience and security. It can be expensive to replace the lost smart keys and reprogram your car. Smart keys look like normal key fobs, however they have a microchip that can unlock, lock or start a car without having a physical key. The chip transmits a unique code to the vehicle's system, which recognizes and validates the code prior to beginning the engine. This technology has been around for a while but it's not yet perfect. There have been many instances of thieves taking vehicles using this method. The good news is that there are solutions to stop this from happening. One way to avoid this is by using an electronic key that contains rolling security codes. The code changes each time the key is sent. A key fob that has a display screen is also extremely expensive. BMW's Display Key is an example of this type of smart key. Its LCD color screen can perform all the functions that are found on a standard key fob, including locking, unlocking, and keyless start. But it can also communicate with the vehicle via the smartphone. This allows you to use the vehicle, and keep in mind its charging and whereabouts. It is also able to command the vehicle to park itself which is a wonderful feature for those with limited mobility or disabilities.