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Vehicle Smart Key Technology

The smart key technology in vehicles lets drivers unlock and start their vehicle by simply rubbing the door handle or putting the keys in the pocket. It also permits a variety of other adjustments like seat positions and internal temperature settings, stereo presets and mirror positions.

However, this can also create security concerns.

Security

smart car replacement key keys are computerized key fobs which communicate with the vehicle through an embedded antenna to unlock doors and start the motor. In contrast to conventional keys that emit the identical frequency signal each time they are pressed, smart car key not working key fobs transmit encrypted signals that are only compatible with the specific car they belong to. This makes it more difficult for tech-savvy thieves to impersonate or intercept the signal and use the key to steal your car.

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

Some smart keys, such as the ones made by BMW, also have user-specific settings, which allow the driver to alter the seat, mirrors, steering wheel position, and even audio preferences with the press of a single button. They also come with an emergency lock that stops the vehicle from starting without the key.

This technology can prevent drivers from locking their cars, particularly when they are rummaging through their purses or backpack to find keys in a parking lot filled with strangers or on a busy street with high rates of crime. Many systems will also alert motorists when the battery for their key is not fully charged, though this feature can vary by the manufacturer.

Convenience

If you're in a hurry get somewhere the smart key makes entering your car as easy as possible. By pressing the button on your trunk release or door handle, you can open, lock and start your vehicle. Popular Mechanics explains that the key fob can also be used to monitor charging, location, and other information about your vehicle.

It isn't safe to lock your keys inside the car. The key fob communicates with an antenna inside the vehicle to determine if it's within the range. If it's not, the engine won't not start. This will deter thieves who would steal your vehicle in order to sell the parts.

The smart key also uses rolling codes to deter hacking attempts and cloning, according to BMW. The computer in the vehicle can recognize and verify the code before starting the motor. Most systems have a mechanical backup system that is an invisible key blade.

How Stuff Works Electronics notes that modern smart keys can also detect the keys in use and adjust vehicle settings in accordance with the key's use. If you start the vehicle while holding the key in your hands, for example the windows as well as the sunroof will open to ventilate the interior. You can also set a speed limit which will only be used when the car is powered by the selected 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, 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 do this, hold the lock button, then press the unlock button.

This will block your smart key fob from being able to send or receive any radio waves. This will greatly extend the life of its battery. You can always restart the function by pressing the unlock and lock buttons again.

Certain smart keys also have anti-theft functions that stop them from being copied by thieves. Mercedes-Benz smart keys use rolling codes to stop access by anyone who is not authorized to use it. When the smart key is inserted into the ignition, a computer in the car confirms the code in milliseconds, before beginning the engine. BMW uses a similar method with its Display Key, which includes a small LCD color touchscreen on the smart key to make it easier and enables drivers to lock or unlock their cars without ever removing it from their pockets.

If you're considering purchasing an automobile with a smart key, or need your smart key fob's battery replaced, call Pop-A-Lock for a fast and easy service. We can replace the battery in any smart key, and our mobile locksmiths are able to help you set it up so that your car can recognize it.

Special Cases

While smart keys are not safe from theft, they do assist to hinder thieves. Smart key fobs are designed to deter hackers from hacking the system. When placed in the ignition of the vehicle The computer confirms the code in milliseconds. Mercedes-Benz developed this technology, which is currently used by luxury car manufacturers.

A smart car key supplier key system will continue to function even if you lose the key in your trunk or leave it in a restaurant. Certain systems will also notify the driver when the battery is running low. Certain brands have key covers specifically made for smart keys that ensure that the fob is protected from damage.