Vehicle Smart Key Technology

Smart keys for vehicles allow drivers to open and start the car simply by grabbing the door handle or putting the key in the pocket. It also allows a variety of other adjustments, such as seats positions and internal temperature settings, mirror position and stereo presets.

This can also cause security worries.

Security

Smart keys are advanced computerized key fobs that communicate with a vehicle via one of the antennas that are embedded in the vehicle to unlock the doors and to start the engine. In contrast to conventional keys that emit the same frequency signal each time they are press, smart key fobs transmit encrypted signals that are specific to the specific car they belong to. This makes it difficult for thieves with advanced technology to intercept or spoof the signal, and then use your key to steal your vehicle.

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

Furthermore certain smart keyssuch as those from BMW have their own user settings that let the driver adjust seat, mirrors and the steering wheel's position and audio preferences at the touch of one button. They also come with a backup lock that prevents the vehicle from running without the key.

This technology protects drivers from getting their car smart key replacement locked accidentally and causing damage to their vehicle, particularly when searching backpacks or purses for keys in the parking lot of strangers or a busy street where crime is high. A lot of systems will also notify drivers when keys are low on battery, although this feature differs by manufacturer.

Convenience

The smart car key not working key is perfect for those in a rush 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 also be used to monitor charging or location as well as other vehicle information.

You shouldn't lock your keys inside the car. The key fob communicates with an antenna inside the vehicle to determine whether it's within range. If it's not, the engine won't start. This will deter thieves who could steal your vehicle in order to sell its parts.

The smart key also uses rolling codes to deter hacking attempts and cloning, says BMW. A computer within the vehicle is able to recognize the code and verifies it prior to launching the engine. Most systems have a physical backup system in the form of an unnoticed key blade.

Modern smart keys also detect the key that is being used and adjust the vehicle settings in accordance with the key's use, according to How Stuff Works Electronics. For instance, if 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 an upper limit on speed that will only be applicable when the vehicle is started using the specified key, a feature that can be useful when loaning 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, press the lock button until you release it and press the unlock button.

This will block your smart key fob from transmitting or receiving radio waves and will increase the battery's life by a significant amount. You can always activate this function by pressing the unlock and lock buttons once more.

Some smart keys include anti-theft features that stop them from being stolen by thieves. Mercedes-Benz smart car key coding key uses rolling codes to prevent access by anyone who is not authorized to use it. The computer in the car will check the code every millisecond after the smart key is put in. BMW offers a similar system with its Display Key, which includes an LCD touchscreen on the smart key for convenience, and allows drivers to lock and unlock their vehicles without ever taking it from their pockets.

If you're considering purchasing an automobile with a smart key, or you need the battery of your smart key fob changed, contact us at Pop-A Lock for a quick and simple service. Our mobile locksmiths can change the battery on any smart key, and will help you set it so that your car recognizes it.

Special Cases

Smart keys aren't 100 100% secure against theft, but they do assist in preventing thieves. smart car keys replacement key fobs are designed to stop hackers from gaining access to the system. When they are placed in the ignition of the vehicle The computer confirms the code in milliseconds. This technology was developed by Mercedes-Benz and is now employed by a variety of luxury car brands.

A smart key system will continue to function even if you lose the key in your trunk or leave it in a restaurant. Certain systems will also inform the driver if the battery is depleted. Certain brands also offer key covers specifically designed for smart key replacement cost keys to keep the key safe from harm.