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Vehicle Smart Key Technology

Smart keys in vehicles allow drivers to unlock and start the car by grabbing the door handle or putting the key in the pocket. It also enables a range of other adjustments like seating positions, internal temperature settings, mirror positioning and stereo presets.

This could also raise security concerns.

Security

Smart keys are computerized key fobs that communicate with the vehicle via an embedded antenna. This allows them to unlock doors and begin the motor. Unlike conventional keys, which emit the same frequency signal each time they are activated, smart car key not working keys transmit encrypted signals that are only compatible with the car they belong to. This makes it difficult for thieves with advanced technology to intercept or fake the signal, and use your key to steal your car.

For instance, Mercedes' system -known as Keyless Go -- has an internal transponder, which identifies the key of the driver. The Smart Key automatically unlocks and opens the doors and the tailgate when it is within 1.5 meters. It also allows you to start the engine by pressing the key.

Additionally there are Smart Key Copy keys thatlike those made by BMW come with individual user settings that allow the driver to adjust the mirrors, seat and the steering wheel's position and audio preferences with the click of one button. They also have a backup lock that prevents the vehicle from starting without the key in the ignition.

This technology helps keep drivers from accidentally locking their cars, especially when fumbling in a purse or backpack to locate keys in a parking area packed with strangers or on a busy street with high rates of crime. Many systems will also inform motorists when the battery for their key is low, though this feature varies from manufacturer the manufacturer.

Convenience

The smart key is perfect for those in a hurry to get to their destination. You can lock, unlock and start your car simply by pressing a button on the door handle or the trunk release. Popular Mechanics explains that the key fob can be used to track charging locations, charging, and other vehicle information.

You don't want to accidentally lock your keys inside the car. The key fob communicates with an antenna inside the vehicle to determine if it is within the range. If it's not, the engine won't start. This will deter thieves from taking your vehicle and then selling its parts.

The smart key uses rolling codes to protect against hacking attempts and cloning, according to BMW. A computer in the vehicle is able to recognize the code and confirms it prior to launching the engine. Many systems also have a backup mechanical system in the form of an unnoticed key blade for styling purposes.

How Stuff Works Electronics notes that modern smart keys also detect the key used and adjust the car settings in accordance with the key's use. For example, if you turn on the car while holding the key fob in your hand, the windows and sunroof open to let the air in the cabin breathe. You can also set up the speed limit to only be used when the vehicle is powered by the specified key. This feature can be useful if you are lending your car to someone who is not experienced.

Battery Life

If you're looking for a way to get more mileage out of your vehicle's smart key market 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 make sure you press and hold the lock button while pressing the unlock button.

This will disable your smart key fob from transmitting or receiving any radio waves which will increase its battery life significantly. You can always restart this function by pressing the unlock and lock buttons again.

Certain smart keys also come with anti-theft functions that stop them from being copied by thieves. Mercedes-Benz smart keys use rolling codes to block access by anyone who is not authorized to use it. The computer in the car is able to verify the code within milliseconds following the smart key is put in. BMW uses a similar method with its Display Key, which has a small LCD color touchscreen on the smart key for ease of use, and lets drivers lock or unlock their vehicles without ever taking the key from their pockets.

If you're considering purchasing an automobile with a smart key, or you need the battery in your smart key fob replaced, call us at Pop-Alock to get a quick and easy service. Our mobile locksmiths can change the battery on any smart key, and will help to set it up so that your car can recognize it.

Special Cases

Smart keys aren't 100% secure against theft, but they do assist in preventing thieves. smart fortwo key programming key fobs are designed to keep hackers from hacking 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 variety of automobile brands that are luxury.

A smart key system will work even if you forget the key in the trunk or leave it in an establishment. Some systems will alert the driver when the battery is running low. Certain brands have keys with covers specifically designed for smart keys, to shield the fob from damage.