Vehicle Smart Key Technology

The technology of smart car key coding keys in vehicles allows drivers to unlock and start their car by simply rubbing the door handle or putting the key in the pocket. It also allows for various other adjustments like the position of the seat as well as internal temperature settings and mirror positioning.

However, this can also result in security issues.

Security

Smart keys are sophisticated computerized key fobs that communicate with the vehicle using one of the antennas in the car to open the doors and start the engine. As opposed to traditional keys, which emit the same frequency signal every time they are pressed, smart key fobs transmit encrypted signals that are only compatible with the specific car they belong to. This makes it more difficult for thieves who are tech-savvy to spoof or intercept the signal and use the key to steal your car.

Mercedes' Keyless Go system for instance, has an internal transponder that identifies the driver's keys. The Smart Key automatically unlocks and opens the doors and tailgate when it is within 1.5 meters. It also begins the engine by pressing a button on its key.

Additionally there are smart keys thatlike those made by BMW -- have individual user settings that allow the driver to adjust the seat, mirrors and the steering wheel's position and audio preferences at the touch of one button. They also come with an emergency lock that stops the vehicle from starting if it is not connected to the key.

This technology prevents drivers from getting their car locked accidentally particularly when they are searching the bag or purse for keys on a parking lot with people who are not familiar with the area or where crime is high. Many systems also alert drivers when their keys are not fully charged, however this feature is dependent on the manufacturer.

Convenience

The smart key is ideal for those on the move and need to get to their destination. You can lock, unlock and start your car simply by pressing the door handle or the trunk release. Key fobs can also connect to your phone to keep track of charging locations, charging times and other details about the vehicle, explains Popular Mechanics.

A big benefit is that you won't accidentally lose your keys. The key fob communicates with the antenna inside the vehicle to determine whether it's in range. If it's not, the engine will not start. This helps deter would-be thieves who may steal your vehicle to sell its parts.

BMW reports that the smart key makes use of rolling codes, as well as to prevent hacking and cloning. A computer inside the vehicle recognizes the code and validates it prior to starting the engine. The majority of systems also have a mechanical backup in the form of a key blade that's hidden for styling purposes.

Modern smart keys also know the key that is being used and adjust the vehicle settings as needed, according to How Stuff Works Electronics. For instance, if turn on the car while holding the key fob in the palm of your hand, the windows and sunroof open to let the cabin air dry. You can also set the speed limit to only be in effect when the vehicle is powered by the chosen key. This feature is useful if you're loaning your vehicle to a person 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 activate this feature, hold down the lock button and press the unlock button.

This will make it impossible for your smart key fob from being able to send or receive any radio waves. This will significantly increase the life of its battery. You can always reactivate the function by pressing both the unlock and lock button again.

Certain smart car key programming keys also come with anti-theft features that prevent them from being copied by thieves. Mercedes-Benz smart keys employ rolling codes to prevent unauthorised access. When a smart key is inserted in the ignition, a computer inside the car validates the code in milliseconds, before starting the engine. BMW uses a similar method with its Display Key, which includes a small LCD color touchscreen on the smart key for convenience, and lets drivers lock, unlock, and start their vehicles without ever taking the key from their pockets.

Contact us at Pop-A Lock if you require to replace the battery on your smart key fob in the event that you are thinking of buying a car with a smart-key. Our mobile locksmiths will change the battery on any smart forfour key replacement key and assist to 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 key fobs are designed to prevent hackers from hacking into the system. When placed in the ignition of the vehicle the computer checks the code in milliseconds. This technology was developed by Mercedes-Benz and is now used by a variety of high-end car brands.

A smart car key replacement near me key system will continue to work even if you forget the key in your trunk or leave it at a restaurant. Some systems will alert the driver when the battery is not fully charged. Certain brands provide key covers specifically made for smart keys that keep the fob protected from harm.