Vehicle Smart Key Technology

Smart keys in vehicles allow a driver to unlock and start the car by grabbing the door handle or placing the key in the pocket. It also permits a variety of other adjustments, including seat positions and temperature settings inside the car, mirror position and stereo presets.

However, this could lead to security concerns.

Security

Smart keys are key fobs that are computerized that communicate with the vehicle through an embedded antenna to unlock doors and start the motor. Smart key fobs, in contrast to traditional keys, which emit the same frequency each time they're used, 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 spoof or intercept the signal and use the key to steal your car.

For instance, Mercedes' system -- called Keyless Go -- has an internal transponder that can identify the driver's keys. When the Smart Key comes within 1.5 meters of a car it will automatically unlock the tailgate and door and the engine will start when the key's button is hit.

Certain smart keys, such as those from BMW additionally have user-specific settings that permit users to alter the seat, mirrors and the steering wheel's position and audio preferences with the touch of a single button. They also have a backup lock that blocks the vehicle from starting without the key.

This technology stops drivers from not locking their cars properly particularly when they are searching a purse or a backpack for keys in a parking lot with strangers or a busy street where crime is high. Some systems will also notify drivers when the battery in their keys is not fully charged, though this feature varies from manufacturer manufacturer.

Convenience

If you're in a hurry get somewhere, the smart forfour key replacement key makes getting into your vehicle as easy as it can be. By pressing the button on the trunk release or door handle you can lock, unlock and get into your vehicle. Popular Mechanics explains that the key fob can also be used for tracking charging or location as well as other vehicle information.

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

BMW reports that the smart key utilizes rolling codes as well to stop cloning and hacking. The computer inside the vehicle detects and validates the code before starting the motor. Most systems have a physical backup system in the form of an invisible key blade.

How Stuff Works Electronics notes that modern smart keys also detect when the key is when it is in use and adjust the vehicle settings in line with the use of the key. If you turn on your vehicle while holding the key in your palm, for example the windows as well as the sunroof can be opened to allow fresh air to enter the interior. You can also set a speed limit which will only be activated when the vehicle is powered by the chosen key. This feature could be useful when you lend your vehicle to a driver 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 simply press and hold the lock button while pressing the unlock button.

This will make it impossible for your smart key fob from being able to transmit or receive radio waves. This will significantly extend the battery's life. You can always activate the function by pressing the lock and unlock buttons again.

Certain smart keys also have anti-theft functions that stop them from being copied by thieves. Mercedes-Benz smart key near me keys use rolling codes to block the unauthorized access. When the Smart Car Key Programming key is put in the ignition, a computer in the car validates the code in milliseconds before beginning the engine. BMW also has a similar system with its Display Key, which comes with a small LCD color touchscreen on the smart key for cars key to make it easier and lets drivers lock or unlock their vehicles without ever taking it from their pockets.

Contact Pop-Alock if you need to replace the battery in your smart key fob or in the event that you are thinking of purchasing a vehicle with a smart-key. Our mobile locksmiths can replace the battery on any smart key and help to set it up so that your car recognizes it.

Special Cases

Although smart keys aren't security-wise, they can be used to hinder thieves. smart 450 key programming key fobs are designed to deter hackers from gaining access to the system. When they are inserted into the ignition of the car the computer checks the code in milliseconds. This technology was developed by Mercedes-Benz and is now employed by many luxury car brands.

A smart key system will work even if you forget the key in the trunk or leave it at an establishment. Certain systems will also inform the driver if the battery is low. Certain brands have key covers specifically designed for smart keys. They keep the key safe from harm.