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Vehicle Smart Key Technology Vehicle smart key technology allows drivers to open and start the car by pressing the door handle or placing the key in the pocket. It also allows for a variety of other adjustments including the position of the seat, internal temperature settings and mirror position. However, this could also create security concerns. Security Smart keys are key fobs with computers that communicate with a vehicle via one of the antennas built into the car to unlock doors and to start the engine. Smart key fobs, unlike traditional keys, which emit the same frequency each time they're pulled, transmit encrypted signals that are only compatible with the car to which they belong to. This makes it harder for thieves with a technological edge to impersonate or intercept the signal and use the key to take your car. For instance, Mercedes' system -known as Keyless Go — has an internal transponder that identifies the driver's keys. When smart car key fob programming G28CarKeys comes within 1.5 meters of a car, it automatically unlocks the door and tailgate and the engine will start when a button on the key is pressed. Certain smart keys, such as those from BMW additionally have user-specific settings that permit the driver to adjust the seat, mirrors and steering wheel's location and audio preferences at the push of a button. They also come with a backup lock that blocks the vehicle from running without the key. This technology prevents drivers from accidentally locking their vehicles and causing damage to their vehicle, particularly when searching the bag or purse for keys in the parking lot of strangers or on a busy street where crime is high. Many systems will also alert motorists when the battery for their key is low, but this feature varies from manufacturer the manufacturer. Convenience If you're in a hurry to get to a place, the smart key makes entering your vehicle as easy as it can be. You can unlock, lock and start your car simply by pressing the door handle or the trunk release. Popular Mechanics explains that the key fob can also be used to track charging or location as well as other vehicle information. One of the biggest advantages is that you can't accidentally be locked out. The key fob communicates with the antenna inside the vehicle to determine whether it's in range. If it's not, the engine will not start. This can deter thieves who could steal your vehicle in order to sell its parts. The smart key also makes use of rolling codes to ward off hacking attempts as well as cloning, according BMW. A computer within the vehicle detects the code and verifies it prior to starting the engine. Most systems come with a mechanical backup system in the form of an unnoticed key blade. How Stuff Works Electronics notes that modern smart keys be able to detect keys when it is in use and adjust the vehicle settings accordingly. For example, if you turn on the car holding the key fob in your palm, the windows and sunroof will open to let air circulate through the cabin. You can also set up a speed limit which will only be in effect when the vehicle is powered by the selected key. This feature could be useful if you are lending your vehicle to a person who has little experience. Battery Life If you're looking for a way to get more mileage out of your vehicle's smart key, or just want to make sure it won't die during a trip to the grocery store, you can activate an auto manufacturer-specific feature called Power Saving Mode. To activate it you need to press and hold the lock button while pressing the unlock button. This will block your smart key fob's smart chip from sending or receiving any radio signals, which will extend its battery's life by a significant amount. You can always restart this feature by pressing the unlock and lock buttons once more. Certain smart keys also have anti-theft features that prevent them from being copied by thieves. For instance, Mercedes-Benz smart keys use rolling codes to stop unauthorized access to vehicles. The computer in the car is able to verify the code within milliseconds following the smart key is inserted. BMW uses a Display Key that has a tiny LCD screen with a color. This allows drivers to lock their cars, unlock them, and then start them without having to remove the smart key from their pocket. Contact Pop-A-Lock if your need to replace the battery in your smart key fob or should you be thinking of purchasing a car that has a smart-key. We can replace the battery on any smart key, and our mobile locksmiths will help you set the system so that your vehicle recognizes it. Special Cases While smart keys are not theft-proof, they do help to stop thieves. Smart keys are designed to deter hackers from hacking into the system. When they are inserted into the ignition of the car, the computer verifies the code in milliseconds. This technology was invented by Mercedes-Benz and is now used by a number of luxury car brands. Another useful feature is that the majority of smart key systems will continue to work even if a user forgot the key in the trunk, left it at an eatery or lost it on an excursion. Some systems will also alert the driver if the battery is low. Certain brands provide keys with covers specifically designed for smart keys to protect the fob from damage.