Vehicle Smart Key Technology

Smart keys in vehicles allow the driver to unlock and start the car by pressing the door handle or placing the key in the pocket. It also allows for various other adjustments such as seat position, internal temperature settings and mirror positioning.

This could also raise security concerns.

Security

Smart keys are computerized key fobs that communicate with the vehicle through an embedded antenna to unlock doors and begin the motor. Smart key fobs, in contrast to traditional keys that emit the same frequency every time they're pulled, transmit encrypted signals that are compatible with the vehicle to which they belong to. This makes it harder for tech-savvy thieves to spoof or intercept the signal and use the key to steal your car.

For example, Mercedes' system -known as Keyless Go -- has an internal transponder that can identify the driver's key. When the Smart Key comes within 1.5 meters of a car, it automatically unlocks the tailgate and door and starts the engine when the key's button is activated.

Certain smart keys, like those made by BMW are also equipped with user-specific settings that permit the driver to adjust the mirrors, seat and steering wheel's position and even the audio settings with the click of a button. They also come with a backup lock that blocks the vehicle from running without the key.

This technology helps keep drivers from accidentally locking their car, especially when they are rummaging through their purses or backpack to find keys in a parking area packed with strangers or on an area with high crime rates. Many systems will also inform drivers if the key battery is low, but this feature varies from manufacturer the manufacturer.

Convenience

The smart key is ideal for those in a hurry to get to their destination. By pressing the button on the trunk release or door handle you can unlock, lock and start your vehicle. Popular Mechanics explains that the key fob can also be used to monitor charging locations, charging, and other information about your vehicle.

You don't want to accidentally lock your keys in the car. The key fob communicates with an antenna inside the vehicle to determine whether it's in range. If not, the engine will not start. This will stop thieves from taking your vehicle and then selling its parts.

BMW reports that the smart key near me key employs rolling codes in order to stop cloning and hacking. A computer within the vehicle detects the code and confirms it prior to launching the engine. Many systems also have a backup mechanical system that is an invisible key blade to serve as a styling tool.

How Stuff Works Electronics notes that modern smart keys also detect the key when it is in use and adjust the vehicle settings in line with the use of the key. For example, if you start the car while holding the key fob in your hands the windows and sunroof open to let the cabin air dry. You can also set a speed limit that will only be in effect when the car is powered by the selected key. This feature is useful when you lend your vehicle 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 do this, hold the lock button until you release it and press the unlock button.

This will prevent your smart key fob to send or receive any radio waves. This will greatly extend its battery life. It is possible to reactivate the function by pressing both the unlock and lock buttons again.

Some smart keys also have anti-theft capabilities that protect them from being copied by thieves. For example, Mercedes-Benz smart keys use rolling codes to block unauthorised access to vehicles. The car's computer checks the code milliseconds after the smart key is introduced. BMW makes use of a Display Key that has a small LCD color screen. This lets drivers lock their vehicles, unlock them, and even start them without having to remove the smart key from their pockets.

If you're considering buying a new smart car key car with a smart key, or if you require your smart key fob's battery replaced, call us at Pop-Alock for a quick and simple service. We can replace the battery on any smart 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 aren't security-wise, they can be used to discourage thieves. smart key for car near me key fobs are designed to deter hackers from hacking the system. When they are inserted into the ignition of the vehicle, the computer verifies the code in milliseconds. This technology was invented by Mercedes-Benz and is now used by many automobile brands that are luxury.

A smart key system will continue to work even if you don't remember the key in the trunk or leave it at a restaurant. Some systems will also notify the driver if the battery is low. Certain brands also offer keys with covers specifically designed for smart keys that protect the fob from damage.