Vehicle Smart Key Technology

smart fortwo key fob keys in vehicles allow the driver 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, such as seat positions and temperature settings inside the car, stereo presets, and mirror positioning.

However, this could also result in security issues.

Security

Smart keys are highly sophisticated computerized key fobs that communicate with a vehicle via one of the antennas in the car to open doors and to start the engine. Smart key fobs, in contrast to traditional keys, which emit the same frequency each time they're pulled, transmit encrypted signals that are compatible with the car to which they belong. This makes it harder for hackers with the latest technology to detect or spoof the signal, and use your key to steal your vehicle.

Mercedes' Keyless Go system for instance, has an internal transponder which identifies the key of the driver. The smart key programing Key automatically unlocks and opens the doors and tailgate when it is within 1.5 meters. It also turns on the engine by pressing the key.

Some smart keys, like those from BMW and Mercedes-Benz, also come with user-specific settings. These allow users to alter the mirrors, seat and the steering wheel's position and even audio preferences with the press of a single button. They also come with a backup lock that prevents the vehicle starting without the key.

This technology prevents drivers from locking their car, especially when they have to search their purse or backpack to locate keys in a parking area packed with strangers or on a busy street with high crime rates. Many systems will also alert drivers when the battery in their keys is depleted, though this feature may differ from manufacturer to manufacturer.

Convenience

The smart key is perfect for those in a hurry to get to their destination. By pressing the button on your trunk release or door handle you can lock, unlock and open your vehicle. Key fobs can also connect to your phone to track charging and location as well as other information about the vehicle, according to Popular Mechanics.

You shouldn't lock your keys in the car. The key fob communicates with an antenna inside the vehicle to determine if it's within the range. If not, the engine will not start. This can deter thieves who would take your vehicle and sell its parts.

BMW reports that the smart key makes use of rolling codes, as well as to ward off hacking and cloning. The computer in the vehicle detects and validates the code before starting the motor. Many systems also have a mechanical backup that is the key blade, which is hidden to serve as a styling tool.

Modern smart keys also recognize which keys are in use and adjust the vehicle settings accordingly, notes How Stuff Works Electronics. For example, if you start the car whimart 450 Key programming or should you be thinking of purchasing a car that has a smart-key. We can replace the battery in any smart key, and our mobile locksmiths will help you set the system so that your vehicle recognizes it.

Special Cases

While smart keys aren't security-wise, they can be used to stop thieves. Smart key fobs use rolling security codes that prevent hacking, and when placed in the ignition, the vehicle's computer can verify the code within milliseconds. This technology was invented by Mercedes-Benz and is now used by a variety of high-end car brands.

A smart key system will continue to work even if you don't remember the key in your trunk or leave it in the restaurant. Certain systems will notify the driver when the battery is not fully charged. Certain brands also offer key covers specifically designed for smart keys to guard the fob from damage.