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Vehicle Smart Key Technology

The smart car keys replacement key technology found in vehicles allows drivers to unlock and start their car by simply touching the door handle or putting the keys in the pocket. It also permits a variety of other adjustments like seat position, internal temperature settings and mirror positioning.

However, it could also create security concerns.

Security

Smart keys are key fobs that are computerized and communicate with a vehicle through one of the antennas that are embedded in the vehicle to open the doors and begin the engine. As opposed to traditional keys, which emit the same frequency signal every time they are pressed, smart car key programming near me key fobs transmit encrypted signals that are only compatible with the car they belong to. This makes it more difficult for thieves with a technological edge to impersonate or intercept the signal and use the key to take your car.

For instance, Mercedes' system -- called Keyless Go -- has an internal transponder, which identifies the driver's keys. The Smart Key automatically unlocks and opens the doors and the tailgate when it is within 1.5 meters. It also allows you to start the engine by pressing a button on its key.

Certain smart keys, such as the ones from BMW and Mercedes-Benz, also come with user-specific settings, which allow the driver to alter the mirrors, seat and steering wheel's location and audio preferences at the click of a button. They also have the backup lock, which stops the vehicle from running without the key.

This technology helps drivers avoid being unable to lock their vehicle and causing damage to their vehicle, particularly when searching bags or purses for keys in parking lots with strangers, or on a street where crime is high. Many systems will also alert drivers when the battery of their key is low, but this feature varies from manufacturer the manufacturer.

Convenience

If you're in a hurry to get to a place, the smart key makes getting into your vehicle as simple as it can be. You can lock, unlock and start your car simply by pressing the door handle or trunk release. Popular Mechanics explains that the key fob can also be used to monitor charging, location, and other information about your vehicle.

A big benefit is that you won't accidentally be locked out. 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 can deter thieves who may steal your car to sell its parts.

The smart key uses rolling codes to protect against hacking attempts and cloning, according to BMW. A computer inside the vehicle is able to recognize the code and checks it prior to starting the engine. Most systems have a mechanical back-up in the form an invisible key blade.

How Stuff Works Electronics notes that modern smart keys can be able to detect keys used and adjust the car settings in line with the use of the key. For example, if you turn on the car holding the key fob in your palm, the windows and sunroof open to let air circulate through the cabin. You can also set a speed limit that will only apply when the vehicle is started with the selected key, a feature that could be helpful when lending your car to a new 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 it you need to press and hold the lock button while pressing the unlock button.

This will block your smart key fob to transmit or receive radio waves. This will dramatically extend the battery's life. You can always activate the function by pressing both the unlock and lock buttons again.

Certain smart keys have anti-theft features to prevent them from being copied by thieves. For instance, Mercedes-Benz smart key replacement keys use rolling codes to block unauthorised access to the vehicle. The computer in the car is able to verify the code within milliseconds following the smart car key Programming near Me key is introduced. BMW also has a similar system with its Display Key, which has an LCD touchscreen on the smart key to make it easier, and allows drivers to lock or unlock their cars without ever removing it from their pockets.

Contact us at Pop-A Lock if you require to replace the battery on the smart key fob you have or should you be thinking of purchasing a car that has a smart-key. We can replace the battery on any smart key, and our mobile locksmiths can help you set it up so that your vehicle recognizes it.

Special Cases

While smart keys are not theft-proof, they do help to deter thieves. Smart keys use rolling security codes to protect against hackers, and when put in the ignition, the vehicle's computer validates the code within milliseconds. This technology was developed by Mercedes-Benz and is now utilized by many high-end car brands.

Another great feature is that many smart key systems will continue to function even if a user forgot the key in the trunk or left it at the restaurant, or lost it during a hike. Some systems will also notify the driver when the battery is running low. Certain brands provide key covers specifically designed for smart keys that protect the fob from harm.