Vehicle Smart Key Technology

Vehicle smart car key key technology allows drivers to open and start the car simply by touching the door handle or placing the key in the pocket. It also allows various other adjustments like the position of the seat the internal temperature setting and mirror position.

This could also create security worries.

Security

Smart keys are key fobs that are computerized that communicate with vehicles via an embedded antenna to unlock doors and activate the motor. Smart key fobs, in contrast to conventional keys that emit the same frequency each time they're used, transmit encrypted signals which are only compatible with the particular car to which they belong to. This makes it more difficult for thieves with a technological edge to steal or spoof the signal and use the key to take your car.

Mercedes' Keyless Go system for instance, has an internal transponder that can identify the driver's key. When the Smart Key comes within 1.5 meters of a vehicle it automatically unlocks the door and tailgate and starts the engine when the key's button is pressed.

Furthermore some smart keyslike those made by BMW include individual user settings that allow the driver to alter the seat, mirrors, steering wheel position and audio preferences at the push of the button. They also come with a backup lock that blocks the vehicle from starting without the key.

This technology helps drivers avoid being unable to lock their vehicle, especially when searching in backpacks or purses to find keys in parking lots with strangers or a busy street where crime is high. A lot of systems will also notify drivers when keys are running low on battery, but this feature varies by manufacturer.

Convenience

If you're in a hurry to get somewhere the smart key makes entering your car as easy 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 to monitor charging location, charging status, and other vehicle information.

You can't accidentally lock your keys inside the car. The key fob connects to an antenna in the vehicle to determine if it is within the range. If it's not, the engine won't start. This is a deterrent to thieves who might steal your vehicle to sell the parts.

The smart key also employs rolling codes to prevent hacking attempts and cloning, according to BMW. A computer inside the vehicle recognizes the code and checks it prior to starting the engine. Many systems also have a mechanical backup in the form of the key blade, which is hidden for styling purposes.

How Stuff Works Electronics notes that modern smart keys can be able to detect keys in use and adjust vehicle settings accordingly. If you turn on your vehicle while holding the key in your hands for instance windows and sunroof will open to ventilate the interior. You can also set a speed limit which will only be in effect when the car is powered by the specified key. This feature could be useful if you are lending your car smart key to someone with no 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, press and hold the lock button while pressing the unlock button.

This will prevent your smart key fob to send or receive any radio waves. This will dramatically extend the life of your battery. You can always restart the function by pressing both the unlock and lock buttons again.

Some smart keys also have anti-theft capabilities that protect them from being copied by thieves. For instance, Mercedes-Benz smart keys use rolling codes to stop unauthorized access to the vehicle. When the smart key is inserted into the ignition, a computer inside the car validates the code in milliseconds before starting the engine. BMW uses a Display Key with a small LCD color screen. This lets drivers lock their cars, open them, and then start them without removing the smart key from their pocket.

Call Pop-A-Lock if you need to replace the battery in the smart fortwo key replacement key fob you have or in the event that you are thinking of purchasing a vehicle with a smart-key. Our mobile locksmiths will change the battery on any smart key and also help you set it up so that your car can recognize it.

Special Cases

While smart keys aren't safe from theft, they do assist to discourage thieves. Smart keys use rolling security codes to avoid the hacking of keys, and when they are placed in the ignition, the vehicle's computer can verify the code within milliseconds. Mercedes-Benz developed this technology, which is currently used by luxury car smart key replacement manufacturers.

Another benefit is that most smart key systems will operate in the event that the user forgets the key in the trunk, left it at a restaurant or lost it on an excursion. Certain systems will also inform the driver if the battery is low. Certain brands also offer key covers specifically designed for smart keys to keep the key safe from harm.