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Vehicle Smart Key Technology

The smart key technology in vehicles allows the driver to unlock and start the car by grabbing the door handle or placing the key in the pocket. It also enables a range of other adjustments, including seating positions, internal temperature settings, mirror positioning and stereo presets.

This can also cause security concerns.

Security

Smart keys are key fobs that are computerized that communicate with the vehicle via an embedded antenna. This allows them to unlock doors and activate the motor. In contrast to conventional keys that emit the same frequency signal each time they are used, smart keys transmit encrypted signals that only match the specific car they belong to. This makes it much more difficult for thieves with advanced technology to intercept or spoof 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 starts the engine by pressing the key.

Additionally certain smart keyslike those made by BMW come with individual user settings that allow the driver to adjust seat, mirrors and the steering wheel's position and audio preferences with the click of a button. They also have a backup lock that blocks the vehicle from starting if it is not connected to the key.

This technology prevents drivers from accidentally locking their cars, especially when they have to search their purse or backpack to locate keys in a parking area filled with strangers or on an area with high rates of crime. A lot of systems will also notify drivers when keys are low on battery, although this feature varies by manufacturer.

Convenience

If you're in a hurry get to a place the Smart forfour key key makes entering your car as simple as possible. By pressing the button on the trunk release or door handle, you can lock, unlock and start your vehicle. Popular Mechanics explains that the key fob can also be used for tracking charging, location, and other information about your vehicle.

It isn't safe to lock your keys in the car. The key fob communicates with the antenna inside the vehicle to determine if it's in range. If it's not, the engine won't not start. This will stop thieves from the vehicle and stealing parts of it.

The smart key uses rolling codes to deter hacking attempts and cloning, says BMW. A computer inside the vehicle reads the code and validates it prior to launching the engine. The majority of systems have a mechanical backup system that is an invisible key for smart car blade.

How Stuff Works Electronics notes that modern smart keys can be able to detect keys in use and adjust vehicle settings in line with the use of the key. For instance, if turn on the car while holding the key fob in your hands, the windows and the sunroof are opened to let the air in the cabin breathe. You can also set a speed limit which will only be in effect when the car is powered by the chosen key. This feature can 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 this feature you need to press and hold the lock button while pressing the unlock button.

This will prevent your smart key fob's ability to send or receiving radio signals that could extend its battery life significantly. You can always restart this function by pressing the unlock and lock buttons once more.

Certain smart keys also come with anti-theft capabilities that protect them from being copied by thieves. For example, Mercedes-Benz smart keys use rolling codes to stop unauthorized access to vehicles. The computer in the car will check the code every millisecond after the smart forfour key replacement key is put in. BMW uses a similar method with its Display Key, which has an LCD touchscreen on the smart key for added convenience, and allows drivers to lock or unlock their cars without ever removing the key from their pockets.

If you're thinking about buying a new car with a smart key, or you need the battery of your smart key for smart car fob replaced, call us at Pop-Alock for a quick and efficient service. Our mobile locksmiths will change the battery on any smart key and help you set it so that your car can recognize it.

Special Cases

Although smart keys aren't security-wise, they can be used to hinder thieves. Smart key fobs are designed to prevent hackers from hacking the system. When they are inserted into the ignition of the vehicle the computer checks the code in milliseconds. This technology was invented by Mercedes-Benz and is now employed by a number of premium car brands.

A smart key replacement cost key system will work even if it is not possible to remember the key in your trunk or leave it in a restaurant. Some systems will also notify the driver if the battery is not fully charged. Certain brands also offer key covers designed specifically for smart keys, to shield the fob from damage.