Vehicle Smart Key Technology

Vehicle smart key technology allows the driver to unlock and start the car by pressing the door handle or putting the key in the pocket. It also allows a variety of other adjustments like seats positions as well as internal temperature settings stereo presets, and mirror positioning.

However, it could also create security concerns.

Security

Smart keys are sophisticated key fobs with computers that communicate with a vehicle via one of the car's embedded antennas to open doors and start the engine. Smart keys, unlike traditional keys, which emit the same frequency each time they're used, transmit encrypted signals which are only compatible with the car to which they belong. This makes it difficult for thieves who are tech-savvy to impersonate or intercept the signal and use the key to steal your car.

Mercedes' Keyless Go system For instance, it 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 starts the engine by pressing the key.

Some smart car key case keys, such as those made by BMW are also equipped with user-specific settings that permit drivers to alter the mirrors, seat, steering wheel position, and audio preferences at the push of a button. They also come with an emergency lock that stops the car from starting if the key is not in the ignition.

This technology prevents drivers from getting their car locked accidentally, especially when searching in backpacks or purses for keys in parking lots with strangers or a busy street where crime is high. Some systems will also notify drivers when the battery in their keys is depleted, though this feature may differ from manufacturer to manufacturer.

Convenience

If you're in a hurry to get somewhere the smart key makes entering your car as easy as it can be. You can unlock, lock and start your car 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.

It isn't safe to lock your keys inside the car. The key fob communicates to an antenna inside the vehicle to determine if it is within the range. If it's not, the engine will not start. This will deter thieves from the vehicle and stealing parts of it.

The smart key also uses rolling codes to prevent hacking attempts and cloning, says BMW. The computer inside the vehicle can recognize and verify the code before starting the motor. The majority of systems have a mechanical back-up in the form an unnoticed key blade.

Modern smart forfour key replacement keys also know which keys are in use and adjust the vehicle settings in accordance with the key's use, according to How Stuff Works Electronics. If you switch on the vehicle while holding the key in your hand, for example the windows as well as the sunroof can be opened to allow fresh air to enter the interior. You can also set up a speed limit that will only be in effect when the car is powered by the selected key. This feature is beneficial if you're lending your car to someone 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 do this, press and hold the lock button while pressing the unlock button.

This will disable your smart key fob from sending or receiving radio waves which will increase its battery life significantly. You can always reactivate the function by pressing the unlock and lock buttons again.

Certain smart keys also come with anti-theft functions that stop them from being copied by thieves. Mercedes-Benz smart keys employ rolling codes to stop access by anyone who is not authorized to use it. The computer in the car checks the code milliseconds after the smart car key programmer key is placed. BMW uses a Display Key with a small LCD screen with a color. This lets drivers lock their cars, unlock them, and then start the engine without having to take the smart key from their pocket.

Contact us at Pop-A Lock if you require to replace the battery in your smart key fob in the event that you are thinking of purchasing a vehicle with a smart-key. Our mobile locksmiths will change the battery on any smart key and also help to set it up so that your car can recognize it.

Special Cases

Smart keys are not 100% theft-proof but they can aid in deterring thieves. Smart keys utilize rolling security codes to avoid hacking, and when placed in the ignition, the vehicle's computer validates the code within milliseconds. This technology was invented by Mercedes-Benz and is now utilized by a number of luxury car brands.

Another benefit is that many smart key systems will continue to work in the event that the user forgets the key in the trunk or left it at the restaurant or if it is lost during hiking. Some systems will alert the driver when the battery is depleted. Certain brands also offer key covers designed specifically for smart car key replacement keys that protect the fob from damage.