Vehicle Smart Key Technology

The smart key technology in vehicles allows drivers to open and start the car by pressing the door handle or putting the key in the pocket. It also allows a variety of other adjustments, such as the position of seats and internal temperature settings, stereo presets, and mirror positioning.

This could also create security concerns.

Security

Smart keys are advanced electronic keys that communicate with vehicles via one of the car's embedded antennas to unlock the doors and start the engine. Unlike conventional keys, which emit the same frequency signal each time they are press, smart key market key fobs transmit encrypted signals that only match the specific vehicle they belong to. This makes it much more difficult for thieves who are tech-savvy to steal or spoof the signal and use the key to take your car.

Mercedes' Keyless Go system For instance, it has an internal transponder that identifies the driver's key. When the Smart Key comes within 1.5 meters of a vehicle it instantly unlocks the door and tailgate and the engine will start when a button on the key is activated.

Some smart keys, such as the ones made by BMW are also equipped with user-specific settings that permit the driver to adjust the mirrors, seat, steering wheel position, and even audio preferences with the push of a button. They also have the backup lock, which will stop the car from starting if the key is not in the ignition.

This technology helps drivers avoid getting their car locked accidentally particularly when they are searching the bag or purse for keys on a parking lot with strangers, or on a street where crime is high. Many systems will also alert drivers when the battery of their key is depleted, though this feature may differ from manufacturer to manufacturer.

Convenience

The smart key is perfect for those in a hurry to get somewhere. You can unlock, lock and start your car simply by pressing the door handle or trunk release. Popular Mechanics explains that the key fob can be used to track charging locations, charging, and other vehicle information.

One of the biggest advantages is that you aren't able to accidentally lose your keys. The key fob communicates with the antenna inside the vehicle to determine if the key is in range. If not, the engine will not start. This will deter thieves from taking your vehicle and then selling its parts.

BMW reports that the smart key employs rolling codes, as well as to prevent hacking and cloning. A computer in the vehicle detects the code and verifies it prior to starting the engine. Most systems have a mechanical backup system in the form of an invisible key blade.

How Stuff Works Electronics notes that modern smart keys can also detect the keys used and adjust the car settings in accordance with the key's use. If you switch on the vehicle while holding the key in your palm, for example, the windows and the sunroof will open to ventilate the interior. You can also set the speed limit to only be in effect when the car is started using the selected key for smart car, a feature that could be useful when loaning your vehicle to a novice driver.

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 prevent your smart key fob from transmitting or receiving radio signals which will increase its battery's life by a significant amount. You can always activate this function by pressing the unlock and lock buttons again.

Some smart keys have anti-theft capabilities that prevent them from being stolen by thieves. For example, Mercedes-Benz smart keys use rolling codes to prevent unauthorized access to the vehicle. When the smart forfour key programming key is put in the ignition, a computer inside the car checks the code in milliseconds prior even starting the engine. BMW has a similar system with its Display Key, which comes with an LCD touchscreen on the smart key for added convenience, and enables drivers to lock and unlock their cars without ever removing it from their pockets.

Contact us at Pop-A Lock if you require to replace the battery in your smart key fob or considering purchasing a car that has a smart-key. We can replace the battery on any Smart Keys Cars key, and our mobile locksmiths are able to assist you in setting it up so that your car can recognize it.

Special Cases

While smart keys are not safe from theft, they do assist to discourage thieves. Smart key fobs are designed to deter hackers from hacking the system. When they are inserted into the ignition of the car, the computer verifies the code in milliseconds. This technology was invented by Mercedes-Benz and is now used by many high-end car brands.

A smart keys cars key system will continue to work even if you forget the key in your trunk or leave it at an establishment. Some systems will also alert the driver if the battery is not fully charged. Certain brands also offer key covers specifically designed for smart keys that keep the key safe from harm.