Vehicle Smart Key Technology

Vehicle smart key technology allows drivers to unlock and start the car simply by pressing the door handle or placing the key in the pocket. It also permits various other adjustments such as seat position the internal temperature setting and mirror positioning.

This could also create security concerns.

Security

Smart keys are key fobs that are computerized that communicate with the vehicle via an embedded antenna to unlock doors and activate the motor. smart keys cars key fobs, unlike traditional keys that emit the same frequency each time they're pressed, transmit encrypted signals which are only compatible with the particular car to which they belong. This makes it more difficult for criminals with a technological edge to spoof or intercept the signal and use your key to steal your vehicle.

For example, Mercedes' system -known as Keyless Go -- has an internal transponder, which identifies the driver's keys. When the Smart Key comes within 1.5 meters of a vehicle it will automatically unlock the door and tailgate, and the engine starts when a button on the key is activated.

Certain smart keys, like the ones from BMW are also equipped with user-specific settings that permit drivers to alter the seat, mirrors and the steering wheel's position and even audio preferences with the push of a button. They also come with the backup lock, which stops the vehicle from running without the key.

This technology assists drivers from locking their cars, especially when searching through a purse or backpack for keys in a parking space packed with strangers or on an area with high crime rates. A lot of systems will also notify drivers when their keys are not fully charged, however this feature varies by manufacturer.

Convenience

If you're in a hurry to get somewhere, the smart key makes getting into your car as easy as it can be. You can lock, unlock and start your car simply by pressing the door handle or the trunk release. The key fob can also communicate with your phone to track charging and location as well as other information regarding the vehicle, as explained by Popular Mechanics.

A big benefit is that you aren't able to accidentally lose your keys. The key fob connects to an antenna in the vehicle to determine if it's within range. If it's not, the engine will not start. This will stop thieves from taking your vehicle and then selling parts of it.

The smart key also makes use of rolling codes to ward off hacking attempts and cloning, says BMW. The computer in the vehicle detects and validates the code prior the start of the motor. Most systems have a physical back-up in the form an unnoticed key blade.

Modern smart keys also know the type of key being used and adjust the vehicle settings in accordance with the key's use, according to How Stuff Works Electronics. For instance, if you start the car while holding the key fob in the palm of your hand the windows and sunroof can be opened to ventilate the cabin. You can also set up a speed limit which will only be in effect when the car is powered by the selected key. This feature is useful if you're loaning your car to a driver who has no prior experience.

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 and hold the lock button while pressing the unlock button.

This will prevent your smart key fob from being able to send or receive any radio waves. This will dramatically extend the life of its battery. You can reactivate this feature by pressing the unlock and lock buttons once more.

Certain smart keys also come with anti-theft functions that stop them from being copied by thieves. Mercedes-Benz smart keys utilize rolling codes to stop the unauthorized access. When the smart key is inserted into ignition, a computer within the car confirms the code in milliseconds before starting the engine. BMW has a similar system with its Display Key, which features an LCD touchscreen on the smart keys cars key for added convenience, and allows drivers to lock, unlock, and start their cars without ever removing it from their pockets.

Contact us at Pop-A Lock if you require to replace the battery on your smart car replacement key key fob considering purchasing a car that has 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 recognizes it.

Special Cases

Smart keys are not 100 100% secure against theft, but they do aid in deterring thieves. Smart keys employ rolling security codes that prevent hacking, and when placed in the ignition, the vehicle's computer can verify the code within milliseconds. This technology was invented by Mercedes-Benz and is now employed by many high-end car brands.

A smart key system will work even if you don't remember the key in your trunk or leave it at an establishment. Some systems will alert the driver when the battery is not fully charged. Certain brands also offer key covers specifically designed for smart keys, to shield the fob from damage.